Python Programming Quiz

What will be the output of the following code? def func(x, y=[]): y.append(x) return y print(func(1)) print(func(2))

• a) [1], [2]

• b) [1], [1, 2]

• c) [1, 2], [1, 2]

• d) [2], [2, 2]

What does the `itertools` module provide?

• a) A collection of tools for handling iterators

• b) A collection of tools for working with images

• c) A collection of tools for working with files

• d) A collection of tools for working with databases

Which of the following statements about Python decorators is true?

• a) Decorators can only be applied to functions

• b) Decorators can be used to modify classes and functions

• c) Decorators are used to create new functions

• d) Decorators cannot accept arguments

Which of the following methods is used to read all the lines of a file into a list in Python?

• a) `readlines()`

• b) `read()`

• c) `readline()`

• d) `readall()`

What will be the output of the following code? class MyClass: def __init__(self, value=0): self.value = value obj1 = MyClass(5) obj2 = MyClass() print(obj1.value, obj2.value)

• a) 5 0

• b) 0 5

• c) 5 5

• d) 0 0

What does the `zip()` function do in Python?

• a) Combines elements from two or more iterables into tuples

• b) Compresses a string

• c) Encrypts data

• d) None of the above

What will be the output of the following code? x = [1, 2, 3, 4] y = [5, 6, 7, 8] z = [a + b for a, b in zip(x, y)] print(z)

• a) [1, 2, 3, 4, 5, 6, 7, 8]

• b) [6, 8, 10, 12]

• c) [5, 7, 9, 11]

• d) [2, 4, 6, 8]

Which of the following is not a valid way to create a dictionary in Python?

• a) `d = {'one': 1, 'two': 2}`

• b) `d = dict(one=1, two=2)`

• c) `d = dict([('one', 1), ('two', 2)])`

• d) `d = dict('one': 1, 'two': 2)`

What is the correct syntax to define a lambda function that adds 10 to the input number?

• a) `lambda x: x + 10`

• b) `lambda x = x + 10`

• c) `lambda x, x + 10`

• d) `lambda x; x + 10`

Which built-in function can be used to get the length of a list in Python?

• a) `size()`

• b) `len()`

• c) `length()`

• d) `count()`