Python Identifiers

Identifiers are the names used to identify variables.

rules of identifiers

1. You can start with English letters A-Z or a-z

2. You cannot start variables with digits 0-9

3. You can use _ (underscore), and you can also start a variable name with _

example

file: 7_identifiers.py

_name = "xnocode"
_age = 25
_PI = 3.1416
 
print(_name, _age, _PI)

output

xnocode 25 3.1416

Here → _name, _age, _PI ← identifiers

Note

Good programmers use meaningful variable names so the code is easy to understand.

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