3rd Year August Quiz

Which of the following is a correct way to create a dictionary in Python?

• mydict = [1, 2, 3]

• mydict = (1, 2, 3)

• mydict = {1: 'a', 2: 'b'}

• mydict = <1, 2, 3>

What is the output of this code?

• 3

• 4

• 5

• 6

What does the map() function do in Python?

• It maps elements from one list to another

• It applies a function to every item of an iterable and returns a list of results

• It creates a dictionary from two lists

• It creates a map of key-value pairs

Which of the following is true about Python's GIL (Global Interpreter Lock)?

• It allows multiple threads to execute Python bytecode at the same time.

• It is removed in Python 3.x

• It prevents multiple threads from executing Python bytecode simultaneously.

• It is required for multi-threaded applications to run.

What will the following code print?

• 99

• 1

• 2

• Error

What will be the output of the following code?

•  [1, 2, 3]

• [1, 2, 3, 1, 2, 3, 1, 2, 3]

• [3, 6, 9]

• Error

Which of the following is a mutable data type in Python?

• tuple

• list

• string

• integer

What does the break statement do in a loop?

• Exits the loop

• Skips the current iteration

• Restarts the loop

• Pauses the loop

1. How do you define a lambda function in Python?

• def lambda(x): return x + 2

• def x: x + 2

• lambda x: x + 2

• lambda: x + 2

1. What is the correct syntax for creating a generator in Python?

• def gen(): yield

• gen = (i for i in range(10))

• gen = [i for i in range(10)]

• gen = {i: i for i in range(10)}