Python Identifiers

 


We will see the rules to define identifiers, and all the best practices to follow while defining Python identifiers. Let’s start with the definition of identifiers.

What is Python Identifier?

“An identifier is a name given to an entity”.

In very simple words, an identifier is a user-defined name to represent the basic building blocks of Python. It can be a variable, a function, a class, a module, or any other object.

Naming Rules for Identifiers

Now you know what exactly identifiers are. So, how do we use them? We can’t use anything, there are some certain rules to keep in mind that we must follow while naming identifiers.

1. The Python identifier is made with a combination of lowercase or uppercase letters, digits or an underscore.

These are the valid characters.

Lowercase letters (a to z)

Uppercase letters (A to Z)

Digits (0 to 9)

Underscore (_) or square brackets (*), followed by single quotes as text: "%u", "%m" = "-32,-192". These two examples tell us from which character were these values created; 0 has no meaning because it starts with 2 through 16 hexadecimal numbers (-16 being alpha). In this case both integers have been rounded down until they reach 32 - 192. And then again %x, too! But backtracking always helps people remember when something actually needs to be used at hand so let's not fall into such traps now 😉. For example, if '+', instead says "(string plus number)" If "-" replaces "_": """I'm sure he didn't write /%p/,".", _ ".__latin_literals()

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