12th Class Computers Science Sample Paper Python Revision Tour-Sample Paper-1

  • question_answer
    Which of the following is not a valid identifier?

    A) My file              

    B) IF

    C) FILE_13

    D) 29_FILE

    Correct Answer: B

    Solution :

    [b] Identifier name cannot start with a number. However IF is valid identifier because as per keywords "if" is keyword not "IF".


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