Mastering Python Loops Quiz

What is the primary purpose of a for loop in Python?

• To execute a block of code a specific number of times

• To execute a block of code while a condition is true

• To execute a block of code indefinitely

• To execute a block of code based on user input

Which of the following is a correct syntax for a while loop in Python?

• `while x > 0 { print(x) }`

• `while (x > 0): print(x)`

• `while x > 0: print(x)`

• `while x > 0 do print(x)`

What will be the output of the following code snippet? ```python for i in range(3): print(i) ```

• 0 1 2

• 1 2 3

• 0 1 2 3

• 1 2

In Python, what keyword is used to exit a loop prematurely?

• exit

• stop

• break

• quit

What is the output of the following code? ```python x = 0 while x < 3: x += 1 print(x) ```

• 0

• 1

• 2

• 3

Which of the following statements is true about nested loops?

• Nested loops are not allowed in Python

• A nested loop is a loop inside another loop

• Nested loops can only be used with for loops

• Nested loops must have the same number of iterations

What will be the output of the following code? ```python for i in range(2): for j in range(2): print(i, j) ```

• 0 0 0 1 1 0 1 1

• 0 1 0 1 1 0 1 1

• 0 0 1 1 0 1 1 0

• 0 0 0 1 1 0 1 1

Which loop control statement is used to skip the current iteration and continue with the next iteration?

• break

• continue

• pass

• skip

What is the output of the following code? ```python for i in range(3): if i == 1: continue print(i) ```

• 0 1 2

• 0 2

• 1 2

• 0 1

How can you loop through a list in Python?

• `for i in list:`

• `for i in range(list):`

• `for i in len(list):`

• `for i in enumerate(list):`