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Find the error in this Swift code snippet:

medium📝 Debug Q7 of 15
Swift - Operators and Expressions
Find the error in this Swift code snippet:
let a = 15
let b = 25
if a !=! b {
    print("a is not equal to b")
}
AThe operator '!=!' is invalid in Swift
BVariables a and b should be declared as var, not let
CThe print statement syntax is incorrect
DThere is no error in the code
Step-by-Step Solution
Solution:
  1. Step 1: Analyze the operator used

    The operator !=! does not exist in Swift.
  2. Step 2: Correct operator usage

    To check inequality, use != only.
  3. Final Answer:

    The operator '!=!' is invalid in Swift -> Option A
  4. Quick Check:

    Only use valid comparison operators like != [OK]
Quick Trick: Use only valid operators like != for inequality [OK]
Common Mistakes:
  • Using invalid operator combinations like !=!
  • Confusing syntax for inequality
  • Assuming multiple symbols can be combined arbitrarily

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