Python

In the previous article, we have discussed Python Program to Print all Disarium Numbers within Given range
DateTime:

It is a date and time combination with the attributes year, month, day, hour, minute, second, microsecond, and tzinfo.

Date and time are not data types in Python, but a module called DateTime can be imported to work with both the date and the time. There is no need to install the Datetime module externally because it is built into Python.

The Datetime module includes classes for working with dates and times. These classes offer a variety of functions for working with dates, times, and time intervals. In Python, date and DateTime are objects, so when you manipulate them, you are actually manipulating objects rather than strings or timestamps.

Given two dates, and the task is to find the number of weeks between the given two dates.

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Examples:

Example1:

Input:

Given First date =2003-11- 10  (YY-MM-DD)
Given second date=2007-4- 12

Output:

The number of weeks between two given dates =  178

Example 2:

Input:

Given First date =1998-5-16 (YY-MM-DD)
Given second date=2001-7- 9

Output:

The number of weeks between two given dates =  164

Program to Find the Number of Weeks between two Dates

Below are the ways to Find the Number of Weeks between two Dates.

• Using DateTime Module (Static input)
• Using DateTime Module (User input)

Method #1: Using DateTime Module (Static input)

Approach:

• Import DateTime module using date keyword.
• Give the First date as static input in the format of YY, MM, DD, and store it in a variable.
• Give the Second date as static input in the format of YY, MM, DD and store it in another variable.
• Calculate the absolute difference between the above given two dates using abs(date1-date2) and store it in another variable.
• Divide the above-got number of days by 7, using the floor division operator, and store it in another variable.
• Print the number of weeks between the two above given dates.
• The Exit of the program.

Below is the implementation:

# Import datetime module using date keyword.
from datetime import date
# Give the First date as static input in the format of YY,MM,DD and store it in a variable.
fst_dat_1 = date(2003, 11, 10)
# Give the Second date as static input in the format of YY,MM,DD and store it in another variable.
secnd_dat_2 = date(2007, 4, 12)
# Calculate the absolute difference between the above given two dates using
# abs(date1-date2) and store it in another variable.
no_dayss = abs(fst_dat_1-secnd_dat_2).days
# Divide the above got number of days by 7 ,using floor division operator and
# store it in another variable.
no_weks = no_dayss//7
# Print the number of weeks between  two  above given dates.
print(" The number of weeks between two given dates = ", no_weks)

Output:

The number of weeks between two given dates = 178

Method #2: Using DateTime Module (User input)

Approach:

• Import DateTime module using date keyword.
• Give the First date as user input in the format of YY, MM, DD as a string using input(), int(), split() functions function and store it in a variable.
• Give the Second date as user input in the format of YY, MM, DD as a string using input(), int(), split() functions and store it in another variable.
• Calculate the absolute difference between the above given two dates using abs(date1-date2) and store it in another variable.
• Divide the above-got number of days by 7, using the floor division operator, and store it in another variable.
• Print the number of weeks between the two above given dates.
• The Exit of the program.

Below is the implementation:

# Import datetime module using date keyword.
from datetime import date
# Give the First date as user input in the format of YY, MM, DD
# as a string using input(),int(),split() functions and store it in a variable.
yy1, mm1, dd1 = map(int, input(
    'Enter year month and date separated by spaces = ').split())
fst_dat_1 = date(yy1, mm1, dd1)
# Give the Second date as user  input using input(),int(),split() functions
# in the format of YY,MM,DD and store it in another variable.
yy2, mm2, dd2 = map(int, input(
    'Enter year month and date separated by spaces = ').split())
secnd_dat_2 = date(yy2, mm2, dd2)
# Calculate the absolute difference between the above given two dates using
# abs(date1-date2) and store it in another variable.
no_dayss = abs(fst_dat_1-secnd_dat_2).days
# Divide the above got number of days by 7 ,using floor division operator and
# store it in another variable.
no_weks = no_dayss//7
# Print the number of weeks between  two  above given dates.
print(" The number of weeks between two given dates = ", no_weks)

Output:

Enter year month and date separated by spaces = 2001 02 11
Enter year month and date separated by spaces = 2001 09 28
The number of weeks between two given dates = 32

Explore more instances related to python concepts from Python Programming Examples Guide and get promoted from beginner to professional programmer level in Python Programming Language.

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Parabola:

A parabola is a curve in a 2D plane that is the same distance from a fixed point called focus as a fixed straight line. The directrix is the name given to this line. A parabola’s general equation is y= ax²+bx+c. In this case, a, b, and c can be any real number.

Given a, b, c  values, the task is to determine Vertex, Focus, and Directrix of the above Given Parabola.

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Examples:

Example 1 :

Input :

Given first Term = 5
Given second Term = 2
Given Third Term = 3

Output:

The Vertex of the above Given parabola = ( -0.2 ,  2.8 )
The Focus of the above Given parabola = ( -0.2 ,  2.85 )
The Directrix of the above Given parabola = -97

Example 2 :

Input :

Given first Term = 6
Given second Term = 3
Given Third Term = 1

Output:

The Vertex of the above Given parabola = ( -0.25 ,  0.625 )
The Focus of the above Given parabola = ( -0.25 ,  0.6666666666666666 )
The Directrix of the above Given parabola = -239

Program to Find Vertex, Focus and Directrix of Parabola

Below are the ways to find Vertex, Focus, and Directrix of Parabola.

• Using Mathematical Formula (Static Input)
• Using Mathematical Formula (User Input)

Method #1: Using Mathematical Formula  (Static Input)

Approach:

• Give the first number as static input and store it in a variable.
• Give the second number as static input and store it in another variable.
• Give the third number as static input and store it in another variable.
• Print the vertex of the above-given parabola using Standard mathematical formulas.
• Print the Focus of the above-given parabola using Standard mathematical formulas.
• Print the Directrix of the above-given parabola using Standard mathematical formulas.
• The Exit of the Program.

Below is the implementation:

# Give the first number as static input and store it in a variable.
vertx = 5
# Give the second number as static input and store it in another variable.
focs = 2
# Give the third number as static input and store it in another variable.
dirctx = 3
# Print the vertex of the above given parabola using Standard mathematical formulas.
print("The Vertex of the above Given parabola = (", (-focs / (2 * vertx)),
      ", ", (((4 * vertx * dirctx) - (focs * focs)) / (4 * vertx)), ")")
# Print the Focus of the above given parabola using Standard mathematical formulas.
print("The Focus of the above Given parabola = (", (-focs / (2 * vertx)), ", ",
      (((4 * vertx * dirctx) - (focs * focs) + 1) / (4 * vertx)), ")")
# Print the Directrix of the above given parabola using Standard mathematical formulas.
print("The Directrix of the above Given parabola =", (int)
      (dirctx - ((focs * focs) + 1) * 4 * vertx))

Output:

The Vertex of the above Given parabola = ( -0.2 ,  2.8 )
The Focus of the above Given parabola = ( -0.2 ,  2.85 )
The Directrix of the above Given parabola = -97

Method #2: Using Mathematical Formula  (User Input)

Approach:

• Give the first number as User input using the input() function and store it in a variable.
• Give the second number as User input using the input() function and store it in another variable.
• Give the third number as User input using the input() function and store it in another variable.
• Print the vertex of the above-given parabola using Standard mathematical formulas.
• Print the Focus of the above-given parabola using Standard mathematical formulas.
• Print the Directrix of the above-given parabola using Standard mathematical formulas.
• The Exit of the Program.

Below is the implementation:

# Give the first number as User input using the input() function  and store it in a variable.
vertx = int(input('Enter some Random Number = '))
# Give the second number as User input using the input() function  and store it in another variable.
focs =  int(input('Enter some Random Number = '))
# Give the third number as User input using the input() function  and store it in another variable.
dirctx =  int(input('Enter some Random Number = '))
# Print the vertex of the above given parabola using Standard mathematical formulas.
print("The Vertex of the above Given parabola = (", (-focs / (2 * vertx)),
      ", ", (((4 * vertx * dirctx) - (focs * focs)) / (4 * vertx)), ")")
# Print the Focus of the above given parabola using Standard mathematical formulas.
print("The Focus of the above Given parabola = (", (-focs / (2 * vertx)), ", ",
      (((4 * vertx * dirctx) - (focs * focs) + 1) / (4 * vertx)), ")")
# Print the Directrix of the above given parabola using Standard mathematical formulas.
print("The Directrix of the above Given parabola =", (int)
      (dirctx - ((focs * focs) + 1) * 4 * vertx))

Output:

Enter some Random Number = 6
Enter some Random Number = 3
Enter some Random Number = 1
The Vertex of the above Given parabola = ( -0.25 , 0.625 )
The Focus of the above Given parabola = ( -0.25 , 0.6666666666666666 )
The Directrix of the above Given parabola = -239

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In the previous article, we have discussed Python Program to Calculate the Value of nPr
Super factorial :

Super factorial of a number is obtained by multiplying the first N factorials of a given Number.

Given a number, and the task is to find the superfactorial of an above-given number.

Examples:

Example1:

Input:

Given Number = 5

Output:

The super Factorial value of above given number =  34560

Example 2:

Input:

Given Number = 4

Output:

The super Factorial value of above given number =  288

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Program to Find SuperFactorial of a Number.

Below are the ways to find the SuperFactorial of a given Number.

• Using For Loop (Static Input)
• Using For Loop (User Input)

Method #1: Using For loop (Static Input)

Approach:

• Import math module using the import keyword.
• Give the number as static input and store it in a variable.
• Take a variable and initialize its value with ‘1’.
• Loop from ‘1 ‘ to the above-given number using For loop.
• Calculate the factorial of the iterator value using the built-in factorial method and multiply it with the above-initialized superfactorial value.
• Store it in another variable.
• Print the superfactorial value of the above-given number.
• The Exit of the program.

Below is the implementation:

# Import math module using the import keyword.
import math
# Give the number as static input and store it in a variable.
gvn_numbr = 5
# Take a variable and initialize it's value with '1'.
supr_factrl = 1
# Loop from '1 ' to above given number using For loop.
for iteror in range(gvn_numbr+1):
  # Calculate the factorial of the iterator value using built-in factorial method
  # and multiply it with above initialized superfactorial value.
 # Store it in another variable.
    supr_factrl = supr_factrl * math.factorial(iteror)
# Print the superfactorial value of the above given number.
print("The super Factorial value of above given number = ", supr_factrl)

Output:

The super Factorial value of above given number =  34560

Method #2: Using For Loop (User input)

Approach:

• Import math module using the import keyword.
• Give the number as User input and store it in a variable.
• Take a variable and initialize its value with ‘1’.
• Loop from ‘1 ‘ to the above-given number using For loop.
• Calculate the factorial of the iterator value using the built-in factorial method and multiply it with the above-initialized superfactorial value.
• Store it in another variable.
• Print the superfactorial value of the above-given number.
• The Exit of the program.

Below is the implementation:

# Import math module using the import keyword.
import math
# Give the number as User input and store it in a variable.
gvn_numbr = int(input("Enter some Random Number ="))
# Take a variable and initialize it's value with '1'.
supr_factrl = 1
# Loop from '1 ' to above given number using For loop.
for iteror in range(gvn_numbr+1):
  # Calculate the factorial of the iterator value using built-in factorial method
  # and multiply it with above initialized superfactorial value.
 # Store it in another variable.
    supr_factrl = supr_factrl * math.factorial(iteror)
# Print the superfactorial value of the above given number.
print("The super Factorial value of above given number = ", supr_factrl)

Output:

Enter some Random Number = 4
The super Factorial value of above given number = 288

Explore more instances related to python concepts from Python Programming Examples Guide and get promoted from beginner to professional programmer level in Python Programming Language.

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In the previous article, we have discussed Python Program to Find the Number of Weeks between two Dates
nPr:

nPr indicates n permutation r.

The process of organizing all the individuals in a given set to form a sequence is referred to as permutation.

The Given mathematical formula for nPr =n!/(n-r)!

Given the values of n, r and the task is to find the value of nPr.

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Examples:

Example1:

Input:

Given n value = 5 
Given r value = 4

Output:

The value of nPr for above given n, r values =  120

Example 2:

Input:

Given n value = 6
Given r value = 3

Output:

The value of nPr for above given n, r values = 120

Program to Calculate the Value of nPr

Below are the ways to calculate the value of nPr for given values of n,r.

• Using math Module (Static input)
• Using math Module (User input)

Method #1: Using math Module (Static Input)

Approach:

• Import math module using the import keyword.
• Give the number as static input and store it in a variable.
• Give another number as static input and store it in another variable.
• Calculate the value of nPr with reference to the standard mathematical formula n!/(n-r)! using factorial() function
• Store it in a variable.
• Print the value of nPr for the above-given n, r values.
• The Exit of the Program.

Below is the implementation:

# Import math module using the import keyword.
import math
# Give the number as static input and store it in a variable.
gvn_n_val = 5
# Give another number as static input and store it in another variable.
gvn_r_val = 4
# Calculate the value of nPr with reference to standard mathematical formula n!/(n-r)!
# using factorial() function 
# Store it in a variable.
n_p_r = math.factorial(gvn_n_val)//math.factorial(gvn_n_val-gvn_r_val)
# Print the value of nPr for the above given n, r values.
print("The value of nPr for above given n, r values = ", n_p_r)

Output:

The value of nPr for above given n, r values =  120

Method #2: Using math Module (User input)

Approach:

• Import math module using the import keyword.
• Give the number as User input using the int(input()) function and store it in a variable.
• Give another number as User input using the int(input()) function and store it in another variable.
• Calculate the value of nPr with reference to the standard mathematical formula n!/(n-r)! using factorial() function
• Store it in a variable.
• Print the value of nPr for the above-given n, r values.
• The Exit of the Program.

Below is the implementation:

# Import math module using the import keyword.
import math
# Give the number as user input using the int(input()) function and store it in a variable.
gvn_n_val = int(input("Enter some Random number = "))
# Give another number as user input using the int(input()) function and store it in another variable.
gvn_r_val = int(input("Enter some Random number = "))
# Calculate the value of nPr with reference to standard mathematical formula n!/(n-r)!
# using factorial() function 
# Store it in a variable.
n_p_r = math.factorial(gvn_n_val)//math.factorial(gvn_n_val-gvn_r_val)
# Print the value of nPr for the above given n, r values.
print("The value of nPr for above given n, r values = ", n_p_r)

Output:

Enter some Random number = 6
Enter some Random number = 3
The value of nPr for above given n, r values = 120

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Buzz Number:

If a number ends in 7 or is divisible by 7, it is referred to as a Buzz Number.

some of the examples of Buzz numbers are 14, 42, 97,107, 147, etc

The number 42 is a Buzz number because it is divisible by ‘7’.
Because it ends with a 7, the number 107 is a Buzz number.

Given a number, the task is to check whether the given number is Buzz Number or not.

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Examples:

Example1:

Input:

Given number = 97

Output:

The given number { 97 } is a Buzz Number

Example2:

Input:

Given number = 120

Output:

The given number { 120 } is not a Buzz Number

Program to Check Buzz Number or Not

Below are the ways to check whether the given number is Buzz Number or not.

• Using modulus operator (Static input)
• Using modulus operator (User input)

Method #1: Using modulus operator (Static input)

Approach:

• Give the number as static input and store it in a variable.
• Check if the given number modulus ‘7’ is equal to ‘0’ or if the given number modulus ’10’ is equal to ‘7’ or not using if conditional statement.
• If the above statement is True, then print “The given number is a Buzz Number”.
• Else if the statement is False, print “The given number is Not a Buzz Number”.
• The Exit of the program.

Below is the implementation:

# Give the number as static input and store it in a variable.
gvn_numbr = 14
# Check if the given number modulus '7' is equal to '0' or if the given number modulus '10'
# is  equal to '7' or not using if  conditional statement.
if gvn_numbr % 7 == 0 or gvn_numbr % 10 == 7:
 # If the above statement is True ,then print "The given number is a Buzz Number".
    print("The given number {", gvn_numbr, "} is a Buzz Number")
else:
  # Else if the statement is False, print "The given number is Not a Buzz Number" .
    print("The given number {", gvn_numbr, "} is not a Buzz Number")

Output:

The given number { 14 } is a Buzz Number

Here the number 14 is a Buzz Number.

Method #2: Using modulus operator (User input)

Approach:

• Give the number as user input using int(input()) and store it in a variable.
• Check if the given number modulus ‘7’ is equal to ‘0’ or if the given number modulus ’10’ is equal to ‘7’ or not using if conditional statement.
• If the above statement is True, then print “The given number is a Buzz Number”.
• Else if the statement is False, print “The given number is Not a Buzz Number”.
• The Exit of the program.

Below is the implementation:

# Give the number as user input using int(input()) and store it in a variable.
gvn_numbr = int(input("Enter some random number = "))
# Check if the given number modulus '7' is equal to '0' or if the given number modulus '10'
# is  equal to '7' or not using if  conditional statement.
if gvn_numbr % 7 == 0 or gvn_numbr % 10 == 7:
 # If the above statement is True ,then print "The given number is a Buzz Number".
    print("The given number {", gvn_numbr, "} is a Buzz Number")
else:
  # Else if the statement is False, print "The given number is Not a Buzz Number" .
    print("The given number {", gvn_numbr, "} is not a Buzz Number")

Output:

Enter some random number = 49
The given number { 49 } is a Buzz Number

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In the previous article, we have discussed Python Program to Extract Only Characters from a Given String
Given two strings, the task is to find the common characters between Two Strings.

In this case, we use some of the built-in functions like join(), lower(), sorted() and intersection() methods.

join() :

The string method join()  takes all of the items in an iterable and returns a string after joining them all together. Iterable types include list, tuple, string, dictionary, and set.

lower() :

As the name indicates, It takes a string and converts all uppercase characters to lowercase before returning it.

sorted method() :

The sorted() method is used to orderly sort the elements of a sequence (either ascending or descending).

intersection() method :

The intersection() method is used to find all the elements that are shared by two given sets.

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Examples:

Example 1:

Input:

Given First String = Hello Btechgeeks
Given Second String = good morning

Output:

The Common Characters between the above given two Strings =   go

Example 2:

Input:

Given First String = have a nice Day
Given Second String = A special day

Output:

The Common Characters between the above given two Strings = acdeiy

Program to Find Common Characters between Two Strings

Below are the ways to find common characters between two strings.

• Using intersection() Method (Static Input)
• Using intersection() Method (User Input)

Method #1: Using intersection Method (Static Input)

Approach:

• Give the first string as static input, convert the given string into the lower case using the built-in lower() method and store it in a variable.
• Give the second string as static input, convert the given string into the lower case using the built-in lower() method and store it in another variable.
• Get the Common characters between both the above-given strings using the built-in intersection() method which is a set method.
• Sort the above-given string using the built-in sorted() method.
• Join the above-given string using the built-in join()method.
• Print all the Common Characters between the above given two Strings.
• The Exit of the program.

Below is the implementation:

# Give the first string as static input  , convert the given string into lower case
# using built-in lower() method and store it in a variable.
fst_strng = "Hello Btechgeeks".lower()
# Give the  second string as static input , convert the given string into lower case
# using built-in lower() method and store it in another variable.
secnd_strng = "good morning".lower()
# Get the Common characters between both the above given strings using built-in
# intersection() method which is a set method.
# Sort the above given string using  built-in sorted() method.
# Join the the above given string using built-in join()method .
# Print all the Common Characters between the above given two Strings.
print("The Common Characters between the above given two Strings = ",
      ''.join(sorted(set.intersection(set(fst_strng), set(secnd_strng)))))

Output:

The Common Characters between the above given two Strings =   go

Method #2 : Using intersection() Method (User Input)

Approach:

• Give the first string as User input using the input() function, convert the given string into the lower case using the built-in lower() method and store it in a variable.
• Give the second string as User input using the input() function, convert the given string into the lower case using the built-in lower() method, and store it in another variable.
• Get the Common characters between both the above-given strings using the built-in intersection() method which is a set method.
• Sort the above-given string using the built-in sorted() method.
• Join the above-given string using the built-in join()method.
• Print all the Common Characters between the above given two Strings.
• The Exit of the program.

Below is the implementation:

# Give the first string as User input  using the input() function , convert the given string into lower case
# using built-in lower() method and store it in a variable.
fst_strng = input("Enter some Random String = ").lower()
# Give the  second string as User input  using the input() function, convert the given string into lower case
# using built-in lower() method and store it in another variable.
secnd_strng = input("Enter some Random String = ").lower()
# Get the Common characters between both the above given strings using built-in
# intersection() method which is a set method.
# Sort the above given string using  built-in sorted() method.
# Join the the above given string using built-in join()method .
# Print all the Common Characters between the above given two Strings.
print("The Common Characters between the above given two Strings = ",
      ''.join(sorted(set.intersection(set(fst_strng), set(secnd_strng)))))

Output:

Enter some Random String = have a nice Day
Enter some Random String = A special day
The Common Characters between the above given two Strings = acdeiy

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In the previous article, we have discussed Python Program to Find Product of Values of elements in a Dictionary
Given a number, and the task is to get the sum of all the factors of a given number.

Factors are numbers or algebraic expressions that divide another number by themselves and leave no remainder.

Example: let the given number = 24

# The factors of 24 are : 1, 2, 3, 4, 6, 8, 12, 24

The sum of all the factors of 24 = 1+2+ 3+4+6+ 8+12+24 = 60

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Examples:

Example1:

Input:

Given Number = 24

Output:

The Sum of all the factors of { 24 } is =  60

Example 2:

Input:

Given Number = 140

Output:

The Sum of all the factors of { 140 } is =  336

Program to Get Sum of all the Factors of a Number

Below are the ways to get the sum of all the factors of a given number.

• Using For loop(Static Input)
• Using For loop(User Input)

Method #1: Using For Loop (Static Input)

Approach:

• Give the number as static input and store it in a variable.
• Take a list and initialize it with ‘1’ and store it in another variable.
• Loop from ‘2’  to the above-given number range using For loop.
• Check whether the given number modulus iterator value is equal to ‘0’ or not using if conditional statement.
• If the statement is True, append the iterator value to the above-declared list.
• Get the sum of all the factors of the above-given list using the built-in sum() function and store it in another variable.
• Print the sum of all the factors of a given number.
• The Exit of the program.

Below is the implementation:

# Give the number as static input and store it in a variable.
gvn_numb = 24
# Take a list and initialize it with '1' and store it in another variable.
all_factors = [1]
# Loop from '2' to above given number range using For loop.
for itr in range(2, gvn_numb+1):
    # Check whether the given number modulus iterator value is equal to '0' or not
    # using if conditional statement.
    if gvn_numb % itr == 0:
      # If the statement is True ,append the iterator value to the above declared list .
        all_factors.append(itr)
  # Get the sum of all the factors of above got list using built-in sum() function
  # and store it in another variable.
reslt = sum(all_factors)
# Print the sum of all the factors of a given number.
print("The Sum of all the factors of {", gvn_numb, "} is = ", reslt)

Output:

The Sum of all the factors of { 24 } is =  60

Method #2: Using For Loop (User Input)

Approach:

• Give the number as user input using int(input()) and store it in a variable.
• Take a list and initialize it with ‘1’ and store it in another variable.
• Loop from ‘2’  to the above-given number range using For loop.
• Check whether the given number modulus iterator value is equal to ‘0’ or not using if conditional statement.
• If the statement is True, append the iterator value to the above-declared list.
• Get the sum of all the factors of the above-given list using the built-in sum() function and store it in another variable.
• Print the sum of all the factors of a given number.
• The Exit of the program.

Below is the implementation:

# Give the number as user input using int(input()) and store it in a variable.
gvn_numb = int(input("Enter some random number = "))
# Take a list and initialize it with '1' and store it in another variable.
all_factors = [1]
# Loop from '2' to above given number range using For loop.
for itr in range(2, gvn_numb+1):
    # Check whether the given number modulus iterator value is equal to '0' or not
    # using if conditional statement.
    if gvn_numb % itr == 0:
      # If the statement is True ,append the iterator value to the above declared list .
        all_factors.append(itr)
  # Get the sum of all the factors of above got list using built-in sum() function
  # and store it in another variable.
reslt = sum(all_factors)
# Print the sum of all the factors of a given number.
print("The Sum of all the factors of {", gvn_numb, "} is = ", reslt)

Output:

Enter some random number = 140
The Sum of all the factors of { 140 } is = 336

Explore more instances related to python concepts from Python Programming Examples Guide and get promoted from beginner to professional programmer level in Python Programming Language.

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Definition of Keyword:–

A keyword is a reserved word in programming languages that has its own unique meaning. It conveys their unique meaning to the interpreter while executing. And, when using variables in code, we never use the keyword as the variable name.

Some of the keywords in Python are :

True, False, finally, not, or, and, if, else, elif, None, lambda, nonlocal, not, except, as, pass, try, def, in, with, while, import, continue, from, raise, return, global, class, break, from, assert, for, in, with, is, yield, del, and so on.

kwlist method:

To accomplish this, we must import a built-in Python module called “keyword,” and within the keyword module, there is a method called “kwlist” that stores all of the keywords found in the Python language in a list. And if the given string appears in the list, it is considered a keyword; otherwise, it is not a keyword.

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Examples:

Example1:

Input:

Given First String = btechgeeks
Given Second String = for

Output:

The given string{ btechgeeks } is not a keyword
The given string{ for } is a keyword

Example 2:

Input:

Given First String = while
Given Second String = for

Output:

The given string{ while } is a keyword
The given string{ for } is a keyword

Program to Check if a String is a keyword or Not

Below are the ways to check if a String is a keyword or Not.

• Using kwlist Method (Static Input)
• Using kwlist Method (User Input)

Method #1: Using kwlist Method (Static Input)

Approach:

• Import keyword module using the import keyword.
• Get all the keywords in python using keyword.kwlist method and store it in a variable.
• Give the first string as static input and store it in another variable.
• Give the second string as static input and store it in another variable.
• Check whether the given first string is present in the above keyword list or not using the if conditional statement.
• If the given condition is True, print “keyword”.
• If the given condition is False, print ” Not keyword” using else conditional statement.
• Similarly, Check whether the given second string is present in the above keyword or not list using if conditional statement.
• If the given condition is True, print “keyword”.
• If the given condition is False, print ” Not keyword” using else conditional statement.
• The Exit of the Program.

Below is the implementation:

# Import keyword module using import keyword.
import keyword
# Get all the keywords in python using keyword.kwlist method and store it in a variable.
keywrds_lst = keyword.kwlist
# Give the first string as static input and store it in another variable.
fst_str = "btechgeeks"
# Give the second string as static input and store it in another variable.
secnd_str = "for"
# Check whether the given first string is present in the above keyword list or not
# using if conditional statement.
if fst_str in keywrds_lst:
  # If the given condition is True , print "keyword".
    print("The given string{", fst_str, "} is a keyword")
else:
  # If the given condition is False , print " Not keyword" using else conditional statement.
    print("The given string{", fst_str, "} is not a keyword")
# Check whether the given second string is present in the above keyword or not list
# using if conditional statement.
if secnd_str in keywrds_lst:
  # If the given condition is True , print "keyword".
    print("The given string{", secnd_str, "} is a keyword")
else:
  # If the given condition is False , print " Not keyword" using else conditional statement.
    print("The given string{", secnd_str, "} is not a keyword")

Output:

The given string{ btechgeeks } is not a keyword
The given string{ for } is a keyword

Method #2: Using kwlist Method (User Input)

Approach:

• Import keyword module using the import keyword.
• Get all the keywords in python using keyword.kwlist method and store it in a variable.
• Give the first string as user input using the input() function and store it in another variable.
• Give the second string as user input using the input() function and store it in another variable.
• Check whether the given first string is present in the above keyword list or not using the if conditional statement.
• If the given condition is True, print “keyword”.
• If the given condition is False, print ” Not keyword” using else conditional statement.
• Similarly, Check whether the given second string is present in the above keyword or not list using if conditional statement.
• If the given condition is True, print “keyword”.
• If the given condition is False, print ” Not keyword” using else conditional statement.
• The Exit of the Program.

Below is the implementation:

# Import keyword module using import keyword.
import keyword
# Get all the keywords in python using keyword.kwlist method and store it in a variable.
keywrds_lst = keyword.kwlist
# Give the first string as user input using the input() function and
# store it in another variable.
fst_str = input("Enter some random string = ")
# Give the second string as user input using the input() function and
# store it another variable.
secnd_str = input("Enter some random string = ")
# Check whether the given first string is present in the above keyword list or not
# using if conditional statement.
if fst_str in keywrds_lst:
  # If the given condition is True , print "keyword".
    print("The given string{", fst_str, "} is a keyword")
else:
  # If the given condition is False , print " Not keyword" using else conditional statement.
    print("The given string{", fst_str, "} is not a keyword")
# Check whether the given second string is present in the above keyword or not list
# using if conditional statement.
if secnd_str in keywrds_lst:
  # If the given condition is True , print "keyword".
    print("The given string{", secnd_str, "} is a keyword")
else:
  # If the given condition is False , print " Not keyword" using else conditional statement.
    print("The given string{", secnd_str, "} is not a keyword")

Output:

Enter some random string = while
Enter some random string = for
The given string{ while } is a keyword
The given string{ for } is a keyword

Explore more instances related to python concepts from Python Programming Examples Guide and get promoted from beginner to professional programmer level in Python Programming Language.

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Dictionary in python :

A dictionary is a set of elements that have key-value pairs. The values in the elements are accessed using the element’s keys.

example:

dict = {‘january’ :1, ‘febrauary’: 2, ‘march’: 3 }

Given a dictionary, and the task is to find the Product of values of elements in a dictionary.

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Examples:

Example1:

Input:

Given dictionary = {'jan': 10, 'Feb': 5, 'Mar': 22, 'April': 32, 'May': 6}

Output:

The Product of values in a given dictionary =  211200

Example2:

Input: 

Given dictionary = {'a': 1, 'b': 5, 'c': 2, 'd': 4, 'e': 7, 'f': 2}

Output:

The Product of values in a given dictionary =  560

Program to Find Product of Values of elements in a Dictionary

Below are the ways to Find the Product of Values of elements in a Dictionary.

• Using For loop(Static Input)
• Using For loop(User Input)

Method #1: Using For Loop (Static Input)

Approach:

• Give the dictionary by initializing it with some random values and store it in a variable.
• Get all the values of the given dictionary using the dictionary.values() method and store it in another variable.
• Take a variable to say ‘product’ and initialize its value with ‘1’
• Iterate in the above-given dictionary values using For loop.
• Inside the loop, Multiply the above-initialized product variable with the iterator and store it in the same variable.
• Print the product of values for the above-given dictionary.
• The Exit of the program.

Below is the implementation:

# Give the dictionary as static input and store it in a variable.
gvn_dict = {'jan': 10, 'Feb': 5, 'Mar': 22, 'April': 32, 'May': 6}
# Get all the values of given dictionary using dictionary.values() method
# and store it in another variable.
dict_vlue = gvn_dict.values()
# Take a variable say 'product' and initialize it's value with '1'
fnl_prod = 1
# Iterate in the above given dictionary values using using For loop.
for itrator in dict_vlue:
  # Inside the loop, Multiply the above initialized product variable with the iterator
  # and store it in a same variable.
    fnl_prod = fnl_prod*itrator
# Print the product of values for the above given dictionary.
print("The Product of values in a given dictionary = ", fnl_prod)

Output:

The Product of values in a given dictionary =  211200

Method #2: Using For Loop (User Input)

Approach:

• Take a dictionary and initialize it with an empty dictionary using dict() or {}.
• Give the number of keys as user input using int(input()) and store it in a variable.
• Loop till the given number of keys using for loop.
• Inside the for loop scan the key and value as user input using input(), split() functions, and store them in two separate variables.
• Initialize the key with the value of the dictionary.
• Get all the values of the given dictionary using the dictionary.values() method and store it in another variable.
• Take a variable to say ‘product’ and initialize its value with ‘1’
• Iterate in the above-given dictionary values using For loop.
• Inside the loop, Multiply the above-initialized product variable with the iterator and store it in the same variable.
• Print the product of values for the above-given dictionary.
• The Exit of the program.

Below is the implementation:

# Take a dictionary and initialize it with an empty dictionary using dict() or {}.
gvn_dict = {}
# Give the number of keys as user input using int(input()) and store it in a variable.
numb_of_kys = int(
    input('Enter some random number of keys of the dictionary = '))
# Loop till the given number of keys using for loop.
for p in range(numb_of_kys):
        # Inside the for loop scan the key and value as
    # user input using input(),split() functions
    # and store them in two separate variables.
    keyy, valuee =  input(
        'Enter key and value separated by spaces = ').split()
    # Initialize the key with the value of the dictionary.
    gvn_dict[keyy] = valuee

# Get all the values of given dictionary using dictionary.values() method
# and store it in another variable.
dict_vlue = gvn_dict.values()
# Take a variable say 'product' and initialize it's value with '1'
fnl_prod = 1
# Iterate in the above given dictionary values using using For loop.
for itrator in dict_vlue:
  # Inside the loop, Multiply the above initialized product variable with the iterator
  # and store it in a same variable.
    fnl_prod = fnl_prod*int(itrator)
# Print the product of values for the above given dictionary.
print("The Product of values in a given dictionary = ", fnl_prod)

Output:

Enter some random number of keys of the dictionary = 5
Enter key and value separated by spaces = hello 4
Enter key and value separated by spaces = this 9
Enter key and value separated by spaces = is 10
Enter key and value separated by spaces = btechgeeks 12
Enter key and value separated by spaces = python 1
The Product of values in a given dictionary = 4320

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