[Solved] How can you safely update elements in an array while looping in Swift? — Ans: Use a for loop with indices and update elements by index | Swift

Swift - Loops

How can you safely update elements in an array while looping in Swift?

AModify elements directly inside a for-in loop over the array

BAppend new elements inside a for-in loop

CUse a for loop with indices and update elements by index

DRemove elements inside a for-in loop

Step-by-Step Solution

Solution:

Step 1: Recognize safe mutation method
Modifying elements by index is safe because the collection size doesn't change.
Step 2: Use index-based for loop
Looping over indices allows updating elements without changing collection structure.
Final Answer:
Use a for loop with indices and update elements by index -> Option C
Quick Check:
Safe update = Use indices loop [OK]

Quick Trick: Update elements by index, not by direct iteration [OK]

Common Mistakes:

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