Unit 4 006 Commenting out Code

What is the main purpose of commenting out code during debugging?

• To permanently remove errors from a program

• To disable code temporarily without deleting it

• To convert code into executable comments

• To increase the efficiency of the program

In most programming languages, what happens to a line of code that has been commented out?

• It is executed, but marked as inactive

• It is ignored by the compiler or interpreter

• It runs after all other code has executed

• It generates an error during compilation

Which of the following is a correct reason to use commenting out during alpha testing?

• To test how the solution performs with fewer lines of code

• To bypass authentication and skip to the final page

• To isolate specific sections and check their impact on functionality

• To hide code from other developers permanently

Which of the following is NOT a good practice when using commenting out for debugging?

• A. Adding a note explaining why the code is commented out

• B. Commenting out large sections without explanation

• C. Using it to disable a feature temporarily for testing

• D. Cleaning up commented code before the final release

Which syntax is used to comment out a single line in Python?

• # comment

• // comment

• /* comment */