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Which of the following expressions is syntactically correct in Python?

easy📝 Syntax Q12 of 15
Python - Operators and Expression Evaluation
Which of the following expressions is syntactically correct in Python?
A5 + * 3
B4 + (3 * 2)
C7 / / 2
D8 - -
Step-by-Step Solution
Solution:

  1. Step 1: Check each expression for syntax errors

    5 + * 3 has two operators in a row without operand: invalid.
    4 + (3 * 2) uses parentheses correctly and valid operators.
    7 / / 2 has double division operator which is invalid.
    8 - - ends with operator without operand: invalid.

  2. Step 2: Confirm correct syntax

    Only 4 + (3 * 2) is syntactically correct: 4 + (3 * 2).

  3. Final Answer:

    4 + (3 * 2) -> Option B

  4. Quick Check:

    Valid syntax = 4 + (3 * 2) [OK]
Quick Trick: Check for missing operands or extra operators [OK]
Common Mistakes:
MISTAKES
  • Using two operators in a row
  • Missing parentheses around expressions
  • Ending expression with an operator

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