The Python programming language is one of the most popular ones right now. Developers prefer to spend their time implementing rather than writing complicated programmes. Python actually does well in this area thanks to its accessibility and readability. Any programming language is built on fundamental notions, which is why we will learn about variables and data types in Python in this article. The following are the subjects that this blog covers:
- Variables in Python
- Defining and Declaring Variables
- Data Types in Python
Variables in Python
As the name implies, variables and data types in Python are values that change. A variable in a programming language is a place in memory where you can store a value. The value you have stored might alter in the future in accordance with the requirements.
As soon as a value is assigned to a variable in Python, the variable is formed. In Python, declaring a variable does not require any further statements.
There are specific guidelines we must adhere to when defining variables; to better grasp these guidelines and how to declare variables in Python, let’s look at the definition and declaration of variables.
Defining and Declaring Variables
There are no extra commands in Python for declaring variables. The variable is declared once a value is assigned to it. While declaring a variable, there are a few guidelines to bear in mind:
- A number cannot be used to begin the variable name. Only a letter or an underscore may begin a sentence.
- Python variables are case-sensitive.
- Only underscores and alphanumeric characters are allowed in them.
- Special characters are not permitted.
In Python, there are numerous data kinds. Let’s look at the data types available in Python.
In Python, a data type is assigned to each value that is declared. Variables are instances of data types, which are themselves classes.
Data Types in Python
Variables are storage locations, instances of data types, which are themselves classes. In Python, there are primarily six data kinds, categorised by the qualities they each hold.