[Solved] Which of these is a valid reason to use default parameter values in Swift functions? — Ans: To allow function calls with fewer arguments for convenience. | Swift

Swift - Functions

Which of these is a valid reason to use default parameter values in Swift functions?

ATo allow function calls with fewer arguments for convenience.

BTo force all parameters to be provided every time.

CTo make the function run faster by skipping parameters.

DTo prevent the function from being called more than once.

Step-by-Step Solution

Solution:

Step 1: Identify the purpose of default parameters
Default parameters let you call functions without specifying every argument, making calls simpler.
Step 2: Evaluate each option
Only To allow function calls with fewer arguments for convenience. correctly describes this convenience; others are incorrect or unrelated.
Final Answer:
To allow function calls with fewer arguments for convenience. -> Option A
Quick Check:
Default parameters = fewer arguments needed [OK]

Quick Trick: Default values simplify function calls by reducing required arguments [OK]

Common Mistakes:

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