Python - Variables and Dynamic Typing
Which of the following Python statements correctly assigns the integer 42 to a variable named
answer?Which of the following Python statements correctly assigns the integer 42 to a variable named answer?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Python variable assignment
Python uses simple assignment with the equals sign (=) without type declarations.Step 2: Evaluate each option
answer = 42 uses correct syntax:answer = 42. int answer = 42 is invalid because Python does not require or allow type declarations likeint. answer := 42 uses the walrus operator (:=), which is valid in Python 3.8+, but is used for expressions, not standard assignment. var answer = 42 usesvar, which is not a Python keyword.Final Answer:
answer = 42 -> Option CQuick Check:
Simple assignment with = [OK]
Quick Trick: Use = for assignment without type declarations [OK]
Common Mistakes:
MISTAKES- Using type declarations like int or var in Python
- Confusing walrus operator with assignment
- Using := instead of = for simple assignment
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