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Which of the following is the correct syntax to check if variable a is not the same object as b?

easy📝 Syntax Q12 of 15
Python - Operators and Expression Evaluation
Which of the following is the correct syntax to check if variable a is not the same object as b?
Aa != b
Ba is not b
Ca not is b
Da !== b
Step-by-Step Solution
Solution:

  1. Step 1: Identify the correct identity operator

    The operator to check if two variables are not the same object is is not.

  2. Step 2: Check syntax correctness

    a is not b is the correct syntax; other options are either value comparison or invalid syntax.

  3. Final Answer:

    a is not b -> Option B

  4. Quick Check:

    Correct syntax for identity not equal = D [OK]
Quick Trick: Use is not to check different objects, not != [OK]
Common Mistakes:
MISTAKES
  • Using != instead of is not
  • Writing not is which is invalid
  • Using JavaScript style !== in Python

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