Functions (User-defined & Built-in) Interview Questions

    Question 1: Python Functions - Default Arguments

    What will be the output of the following code?

    def greet(name="Guest"):
    return f"Hello, {name}"

print(greet())

    Question 2: Python Functions - Built-in len()

    What does len("Python") return?

    Question 3: Python Functions - Return Statement

    What will be the output?

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

print(add(2, 3) * 2)

    Question 4: Python Functions - Keyword Arguments

    Which function call is valid for the following definition?

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

    Question 5: Python Functions - Scope of Variables

    What will be the output?

    x = 10
def test():
    x = 20
    print(x)

test()
print(x)

    Question 6: Python Functions - Built-in max()

    What will max([3, 7, 2, 9, 5]) return?

    Question 7: Python Functions - Anonymous Functions

    Which of the following correctly defines a lambda function to double a number?

    Question 8: Python Functions - Built-in map()

    What will be the output?

    nums = [1, 2, 3]
result = list(map(lambda x: x * 2, nums))
print(result)

    Question 9: Python Functions - Recursive Function

    What will be the output?

    def factorial(n):
    if n == 0:
        return 1
    else:
        return n * factorial(n-1)

print(factorial(3))

    Question 10: Python Functions - *args Usage

    What will be the output?

    def add(*args):
    return sum(args)

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