Which one of the following statements about code debugging is correct?

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Question:
 Which one of the following statements about code debugging is correct?

1. Debugger helps us to step through our code, one line at a time.

2.Breakpoints can be set by pressing F9 function key.

3. Breakpoints can be set by left-clicking in the left margin area at the line where we want to set the breakpoint.

4.a, b and c are correct.


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