Python Functions Quiz

1. You want to import the numpy module but refer to it as np in your code. Which syntax is correct?

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

def do_nothing():
    pass

result = do_nothing()
print(result)

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

def calculate_sum(*args):
    total = 0
    for num in args:
        total += num
    return total

print(calculate_sum(1, 2, 3, 4))
print(calculate_sum())

4. What is the output of the following code?

def outer_fun(a, b):
    def inner_fun(c, d):
        return c + d
    return inner_fun(a, b)

res = outer_fun(5, 10)
print(res)

5. What is the output of the following display() function call

def display(**kwargs):
    for i in kwargs:
        print(i)

display(emp="Kelly", salary=9000)

6. Choose the correct declaration for fun1().

To enable the successful execution of the below two fun1() function call, choose the correct declaration for fun1().

fun1(25, 75, 55)
fun1(10, 20)

7. What is the primary purpose of *args and **kwargs in Python function definitions?

8. Select all correct function calls

Given the following function fun1() Please select all the correct function calls.

def fun1(name, age):
    print(name, age)

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

def multiply(a, b):
    return a * b

def apply_operation(func, x, y):
    return func(x, y)

result = apply_operation(multiply, 5, 3)
print(result)

10. Select which is True for Python function

11. What is the output of the following display() function call

def display(**kwargs):
    for i in kwargs.values():
        print(i)

display(emp="Kelly", salary=9000)

12. What is the output of the following display_person() function call

def display_person(*args):
    for i in args:
        print(i)

display_person(name="Emma", age="25")

13. What is the primary purpose of the if __name__ == "__main__": block in a Python script?

14. One of the main benefits of using modules in Python is:

15. Which of the following modules is NOT part of Python’s standard library (meaning you usually need to install it separately)?

16. Which of the following best describes a Python lambda function?

17. Which function from the random module would you use to get a random integer between 1 and 10 (including 1 and 10)?

18. What is the output of the following function call

def add(a, b):
  return a + b
  a = 20
  b = 30
  return a + b

result = add(5, 10)
print(result)

19. What is the output of the add() function call

def add(a, b):
    return a+5, b+5

result = add(3, 2)
print(result)

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

list1 = [1, 2, 3]

def append_item(a_list, item):
    a_list.append(item)

append_item(list1, 4)
print(list1)

21. What is the output of the following function call

def fun1(name, age=20):
    print(name, age)

fun1('Emma', 25)

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

numbers = [1, 2, 3, 4, 5]
squared_numbers = list(map(lambda x: x*x, numbers))
print(squared_numbers)

23. What is a Python decorator primarily used for?

24. Which of the following is the correct way to import only the pi constant from the math module?

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

x = 5

def update_x():
    global x
    x = 10

update_x()
print(x)