Programming ConceptsLesson 20Free preview

Comments

This lesson is part of Intro to Programming · All levels

Summary

This lesson discusses comments, notes in code that humans read but are ignored by a compiler or interpreter. Commenting serves to explain the intent of the code, temporarily disables certain lines, and facilitates team collaboration. Comment markers differ between languages, for example // in many languages and # in Python.

Key points

Comments are notes for humans that are ignored when code is executed.
Various commentary marks: //, #, /* */, depending on the language
Commentary explains the difficult logic and helps collaboration
Comments are also useful in disabling code temporarily during debugging

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