- Identifiers are programmer defined tokens.
- They are used fro naming classes, methods, variables, module,packages etc.. in a program.
Rules for a Legal Identifier :
They can be a set of alphabet, digits and underscore ( _ ) character.
They must not begin with digit .
Since Python is case sensitive language, Uppercase and Lowercase letters are distinct.
They can be of any length.
They must not be a keyword.
Example of legal identifier :arena , s_count
Example of illegal identifier :1sst
Next chapter is operators in python
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