PCEP Computer Programming and Python Fundamentals Practice Question
A developer writes: print('Hello' + 5). What is the result?
⚠ Common exam trap
This exact scenario tests whether candidates understand that Python does not implicitly convert an integer to a string for concatenation, unlike loosely-typed languages.
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
✓
TypeError
In Python, the + operator performs string concatenation only when both operands are strings. Attempting to concatenate a string ('Hello') with an integer (5) raises a TypeError because Python does not implicitly convert the integer to a string for concatenation. This is a fundamental type safety feature of the language.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Hello 5
Why it's wrong here
No automatic conversion or space insertion occurs.
- ✓
TypeError
Why this is correct
Cannot concatenate str and int.
- ✗
SyntaxError
Why it's wrong here
The syntax is valid; the error is at runtime.
- ✗
Hello5
Why it's wrong here
Concatenation would require both operands to be strings.
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