Python Control Flow: Loops Questions and Answers

Question 1

What is the final value of `total` after this `while` loop finishes?

Accepted Answer

10

Answer

15

Answer

5

Answer

4

Question 2

In Python, under which circumstance is the `else` block of a `for` loop executed?

Accepted Answer

It is only executed if the loop completes all its iterations without being terminated by a `break` statement.

Answer

It is always executed after the loop finishes.

Answer

It is only executed if the loop is terminated by a `break` statement.

Answer

It is only executed if the iterable is empty and the loop body never runs.

Question 3

A developer wants to sum only the odd numbers from a list. What will the following code print?

Accepted Answer

9

Answer

15

Answer

6

Answer

1

Question 4

What is the final value of `count` after the following nested loops complete execution?

Accepted Answer

6

Answer

5

Answer

3

Answer

2

Question 5

What will be the output of the following Python code snippet that uses a `break` statement?

Accepted Answer

10

Answer

15

Answer

45

Answer

5

Question 6

Which of the following `while` loops will result in an infinite loop?

Accepted Answer

i = 0
while i < 5:
    i = 1

Answer

i = 5
while i > 0:
    i -= 1

Answer

i = 1
while i < 10:
    i *= 2

Answer

i = 0
while i < 5:
    i += 1