explain the identifier keyword statements expressions and variables in Python programming with examples
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Answer :-
- Python Identifiers
A Python identifier is a name used to identify a variable, function, class, module or other object. An identifier starts with a letter A to Z or a to z or an underscore (_) followed by zero or more letters, underscores and digits (0 to 9).
- Python Keywords
Keywords are the reserved words in Python.
We cannot use a keyword as a variable name, function name or any other identifier. They are used to define the syntax and structure of the Python language.
In Python, keywords are case sensitive.
There are 33 keywords in Python 3.7. This number can vary slightly over the course of time.
-Python Statement
Instructions that a Python interpreter can execute are called statements. For example, a = 1 is an assignment statement. if statement, for statement, while statement, etc. are other kinds of statements which will be discussed later.
-Python Variables
A variable is a named location used to store data in the memory. It is helpful to think of variables as a container that holds data that can be changed later in the program
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