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What does "hash" mean in programming?
hash is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
The # character, also called 'pound sign' or 'number sign'. In Python and shell scripts it starts a comment. In CSS it introduces color hex codes and ID selectors. In URLs it marks the fragment identifier.
Example
"# This is a comment in Python and shell scripts"
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