FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -An identifier is a user-defined name to represent a variable, a function, a class, a module, or any other object. It is a programmable entity in Python-one with a name. It is a name given to the fundamental building blocks in a program.

Detailed explanation-2: -Python Identifier is the name we give to identify a variable, function, class, module or other object. That means whenever we want to give an entity a name, that’s called identifier. Sometimes variable and identifier are often misunderstood as same but they are not.

Detailed explanation-3: -The identifier is only used to identify an entity uniquely in a program at the time of execution whereas, a variable is a name given to a memory location, that is used to hold a value. Variable is only a kind of identifier, other kinds of identifiers are function names, class names, structure names, etc.

Detailed explanation-4: -"Identifiers” or “symbols” are the names you supply for variables, types, functions, and labels in your program. Identifier names must differ in spelling and case from any keywords. You can’t use keywords (either C or Microsoft) as identifiers; they’re reserved for special use.

Detailed explanation-5: -Identifier refers to name given to entities such as variables, functions, structures etc. Identifiers must be unique.