PCEP Practice Question: Data Types, Variables, Basic I/O and Operators
What is the result of bool(0) in Python?
⚠ Common exam trap
Python Institute often tests the misconception that bool(0) returns 0 or None, exploiting candidates who confuse the integer value 0 with the Boolean False, or who think that only the literal False keyword is falsy.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
False
The bool() function in Python converts any value to a Boolean. The integer 0 is considered a falsy value, so bool(0) returns False. This is because Python defines 0, None, empty collections, and False itself as falsy.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
0
Why it's wrong here
bool(0) returns a boolean, not integer.
- ✗
None
Why it's wrong here
bool never returns None.
- ✗
True
Why it's wrong here
0 is falsy, so bool returns False.
- ✓
False
Why this is correct
Correct; 0 is falsy.
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