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What is an Identifier? Give any 5 rules that are to be followed, while declaring a variable.
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Identifiers are names given to different user defined things like variables, constants, functions, classes, objects, structures, unions, etc. While making these identifiers we need to follow some rules.

Rule for declaring a variable :-

  • The identifier can consist of alphabets, digits and a special symbol i.e. '_' (Underscore)
  • An …

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