Python - While Loop
Find the error in this nested while loop code:
i = 0
while i < 2:
j = 0
while j < 2:
print(i, j)
j += 1
i += 1Find the error in this nested while loop code:
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check indentation inside inner while loop
The print and j increment lines must be indented inside the inner while loop to run repeatedly.Step 2: Identify effect of wrong indentation
Without indentation, print and j += 1 run only once, causing an infinite loop or logic error.Final Answer:
Inner loop print and increments are not indented properly -> Option BQuick Check:
Indent inner loop body correctly [OK]
Quick Trick: Indent inner loop body to avoid logic errors [OK]
Common Mistakes:
MISTAKES- Forgetting to indent inner loop code
- Incrementing outer loop variable inside inner loop
- Misplacing loop conditions
Master "While Loop" in Python
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