PCEP Practice Question: Data Types, Variables, Basic I/O and Operators
Which TWO of the following expressions evaluate to True?
⚠ Common exam trap
The trap here is that candidates often mistakenly think the string `'False'` is falsy because it looks like the Boolean `False`, but Python evaluates truthiness based on the object's type and content, not its string representation.
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
✓
bool(1)
`bool(1)` converts the integer 1 to a Boolean, and in Python any non-zero numeric value is considered truthy, so `bool(1)` returns `True`. Option D is correct because `bool('False')` converts the non-empty string `'False'` to a Boolean; in Python, any non-empty string is truthy, regardless of its textual content, so it returns `True`.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
bool('')
Why it's wrong here
Empty string is False.
- ✗
bool([])
Why it's wrong here
Empty list is False.
- ✓
bool(1)
Why this is correct
Non-zero integer is True.
- ✓
bool('False')
Why this is correct
Non-empty string is True.
- ✗
bool(0)
Why it's wrong here
Integer 0 is False.
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