Quiz : pass, continue, break, and else in Python

Quiz: Loop Manipulation using pass, continue, break and else in Python

15 multiple-choice questions. Choose the best option. Click Submit to see your score and explanations. Use Reset to try again.

1. What does the pass statement do inside a loop?

Immediately exits the loop Does nothing (placeholder) and continues Skips to the next iteration Raises an exception

2. Which statement skips the current iteration and moves to the next?

pass break continue return

3. What happens when break is executed in a loop?

Skips remaining code and continues next iteration Exits the loop immediately Causes the loop to restart from the first iteration Throws an error

4. When will the else clause after a for loop execute?

When the loop completes without encountering break When continue is used Immediately before each iteration Only when the loop body is empty

5. Consider this code: for i in range(3): if i==1: pass print(i) else: print('Done') — What prints?

0 1 2 0 2 Done 0 1 2 Done (without newline) 0 1 2\nDone

6. Which of the following is TRUE about pass?

It allows you to write an empty block that is syntactically valid It raises a warning at runtime It behaves like continue It exits the current function

7. What will the following code print?
for n in [1,2,3]: if n==2: break else: print('No break')

1 2 3 No break No output (prints nothing; else does not run because break executed) No break

8. Which statement best describes the interaction of continue with the loop else?

If continue is used, the else will never run continue does not prevent the loop from completing normally; else can still run if no break occurs else runs before each continue continue converts the loop to an infinite loop

9. Consider:
i = 0 while i < 3: i += 1 if i == 2: continue print(i) else: print('Done') — What is output?

1 2 3 Done 1 3 Done 1 3 1 3\nDone

10. Which is the correct reason to use pass?

To create a stub for future code while keeping syntax valid To skip to the next loop iteration To exit multiple nested loops To terminate the program

11. What will this print?
for x in range(2): for y in range(2): if x==1 and y==0: break else: print('Inner else') else: print('Outer else')

Inner else\nOuter else Inner else Outer else No output

12. Can break be used inside a try/except block within a loop?

No, it causes a syntax error Yes, break works normally and exits the loop Only if finally is present It will only break out of the try block

13. Which is the result of using continue inside a nested loop?

It affects only the innermost loop where it appears It stops both inner and outer loops It raises an exception It exits the function

14. What does this code print?
for i in []: pass else: print('Empty')

Nothing pass Error Empty

15. In which scenario will loop else NOT run?

When loop iterates at least once and finishes When break is executed inside the loop When continue is used but no break When the loop is empty