In Python programming, keywords and identifiers are distinct building blocks that play crucial roles:
Keywords:
Keywords are predefined words with special meanings reserved by the Python interpreter. They have specific functions within the language’s syntax and structure.
Examples: if, else, for, while, def, class, True, False, None, etc. (There are about 35 keywords in Python)
You cannot use keywords as variable names, function names, or any other identifiers in your code. They are strictly reserved for their specific purposes.
Few more examples for Keywords: –
● Control Flow: if, else, elif, for, while, break, continue
● Data Types: int, float, str, bool, list, tuple, dict, set
● Functions: def, return
● Classes: class
● Modules and Packages: import, from…import
● Logical Operators: and, or, not
● Comparison Operators: ==, !=, >, <, >=, <=
● Other: in, is, pass (There are about 35 keywords in total)
Remember: You cannot use these keywords as variable names, function names, or any other identifiers.
Getting Started with Python ● Why learn Python?
Identifiers:
Identifiers are user-defined names given to various elements in your Python program. These elements can be variables, functions, classes, modules, etc.
Examples: name, age, calculate_area, my_class, data_file, etc.
● Naming Rules: