Python - Operators and Expression Evaluation
Which of the following is the correct syntax for subtracting 2 from variable y using augmented assignment?
Which of the following is the correct syntax for subtracting 2 from variable y using augmented assignment?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the augmented subtraction syntax
The operator-=subtracts a value from the variable and assigns the result back.Step 2: Check options for correct syntax
y -= 2 usesy -= 2, which is the correct augmented assignment syntax.Final Answer:
y -= 2 -> Option DQuick Check:
Use '-=' to subtract and assign [OK]
Quick Trick: Use '-=' to subtract and assign in one step [OK]
Common Mistakes:
MISTAKES- Confusing '= -' with '-='
- Assigning negative value instead of subtracting
- Using full expression instead of augmented
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