Python string isidentifier() is an inbuilt string function method returns true if the provided string is a valid identifier and false in all other cases.
Python string isidentifier() is an inbuilt string function method as it tells if the given string is an identifier or not. The method returns true if the mentioned string is a valid identifier and false in all other cases. A valid identifier can be defined as a string that only contains alphabets, numbers or underscores. The main point regarding a valid identifier is that it cannot start with a number and it must not have space between them.
Python isidentifier() function returns True if the string is a valid identifier, otherwise False. The string is considered a valid identifier if it only contains the alphanumeric letters (a-z) and (0-9), or underscores (_). The valid identifier cannot start with a number, or contain any spaces.
Here the variable string is the given string which will be checked if it is a valid identifier or not.
This Edureka video on 'Python Strings' will help you...
String methods in Python - Python Strings
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