Python Online Test

1. What will be the output of the following Python code?

print(math.isinf(float('-inf')))

2. What will be the output of the following Python code?

x = [12, 34]
print(len(''.join(list(map(int, x)))))

3. What will be the output of the following Python code?

class demo():
    def __repr__(self):
        return '__repr__ built-in function called'
    def __str__(self):
        return '__str__  built-in function called'
s=demo()
print(s)

4. What will be the output of the following Python code?

def foo(i, x=[]):
    x.append(i)
    return x
for i in range(3):
    print(foo(i))

5. _______________________ exceptions are raised as a result of an error in opening a particular file.

6. Choose the option wherein the two choices do not refer to the same option.

7. What will be the output of the following Python code?

list1 = [1, 2, 3, 4]
list2 = [5, 6, 7, 8]

print(len(list1 + list2))

8. What will be the output of the following Python code snippet?

string = "my name is x"
for i in ' '.join(string.split()):
    print (i, end=", ")

9. What will be the output of the following Python code?

a={5,6,7}
print(sum(a,5))

10. To obtain a list of all the functions defined under sys module, which of the following functions can be used?

11. What will be the output of the following Python code?

print('a'.maketrans('ABC', '123'))

12. What will be the output of the following Python code?

print('*', "abcde".center(6), '*', sep='')

13. What will be the output of the following Python code?

import time
t=(2010, 9, 20, 8, 45, 12, 6, 0, 0)
print(time.asctime(t))

14. What will be the output of the following Python code?

names1 = ['Amir', 'Bala', 'Chales']

if 'amir' in names1:
    print(1)
else:
    print(2)

15. What will be the output of the following Python code?

d = {0: 'a', 1: 'b', 2: 'c'}
for x in d.values():
    print(d[x])

16. What will be the output of the following Python code snippet?

my_string = "hello world"
k = [print(i) for i in my_string if i not in "aeiou"]

17. What is the difference between r+ and w+ modes?

18. What will be the output of the following Python statement?

print('x\97\x98')

19. To read the entire remaining contents of the file as a string from a file object infile, we use ____________

20. What is returned by math.ceil(3.4)?

21. Overriding means changing behaviour of methods of derived class methods in the base class.

22. What will be the output of the following Python code?

s1={3, 4}
s2={1, 2}
s3=set()
i=0
j=0
for i in s1:
    for j in s2:
        s3.add((i,j))
        i+=1
        j+=1
print(s3)

23. Set makes use of __________
Dictionary makes use of ____________

24. Which of the following is the use of id() function in python?

25. What will be the output of the following Python code?

def f(x):
    def f1(*args, **kwargs):
        print("*", 5)
        x(*args, **kwargs)
        print("*", 5)
    return f1
@f
def p(m):
    p(m)
print("hello")

26. Which module in the python standard library parses options received from the command line?

27. Which of the following is a Python tuple?

28. What will be the output of the following Python code?

import turtle
t=turtle.Pen()
t.color(1,1,1)
t.begin_fill()
for i in range(0,3):
	t.forward(100)
	t.right(120)
              t.end_fill()

29. What will be the output of the following Python code?

print("Hello {1} and {0}".format('bin', 'foo'))

30. What will be the output of the following Python code?

x = 5 
def f1():
    global x
    x = 4
def f2(a,b):
    global x
    return a+b+x
f1()
total = f2(1,2)
print(total)

31. What will be the value of X in the following Python expression?

X = 2+9*((3*12)-8)/10
print(X)

32. How many except statements can a try-except block have?

33. Suppose list1 is [2445,133,12454,123], what is max(list1)?

34. What will be the output of the following Python code?

x = ['ab', 'cd']
for i in x:
    i.upper()
print(x)

35. What does the function re.match do?

36. Which of the following statements is false about recursion?

37. What will be the output of the following Python code?

l=[1, 0, 2, 0, 'hello', '', []]
print(list(filter(bool, l)))

38. What will be the output of the following Python code snippet?

print('The sum of {0:b} and {1:x} is {2:o}'.format(2, 10, 12))

39. What will be the output of the following Python code?

import re
print(re.subn('A', 'X', 'AAAAAA', count=4))

40. Operators with the same precedence are evaluated in which manner?

41. The output of the following Python code will result in a shape similar to the alphabet ___________

import turtle
t=turtle.Turtle()
t1=turtle.Turtle()
t.left(45)
t1.left(135)
t.forward(100)
t1.forward(100)

42. What will be the output of the following Python code?

a=(1,2)
b=(3,4)
c=a+b
print(c)

43. Which of the following Python code creates an empty class?

44. Which of the following will not be returned by random.choice("1 ,")?

45. What will be the output of the following Python code?

print('{0:.2f}'.format(1.234))

46. Which of these definitions correctly describes a module?

47. What will be the output of the following Python code?

a={1,2,3}
b=a.add(4)
print(b)

48. Which of the following expressions is an example of type conversion?

49. Which are the advantages of functions in python?

50. What will be the output of the following Python code?

myList = [1, 5, 5, 5, 5, 1]
max = myList[0]
indexOfMax = 0
for i in range(1, len(myList)):
    if myList[i] > max:
        max = myList[i]
        indexOfMax = i

print(indexOfMax)