Types Of Python Variables:
The variable is a container that stores a data value in computer memory. Here we see two types of variables in Python.
1. LOCAL VARIABLE: -
Local variables are the variables that are declared inside the function and have scope within the function. Let's understand the following example.
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| Local Variable |
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2. GLOBAL VARIABLE: -
Global variables can be used throughout the program, and its scope is in the entire program. We can use global variables inside or outside the function.
A variable declared outside the function is the global variable by default. Python provides the global keyword to use a global variable inside the function. If we don't use the global keyword, the function treats it as a local variable. Let's understand the following example.
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| Global Variable |
MULTI WORDS VARIABLE NAME:
Variable names with more than one word can be difficult to read. There are several techniques you can use to make them more readable-
1. CAMEL CASE: In the camel case, each word or abbreviation in the middle begins with a capital letter. There is no intervention of whitespace. For example - nameOfStudent, value Of Variable, etc.
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| CAMEL CASE |
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| PASCAL CASE |
3. SNAKE CASE: In the snake case, Words are separated by the underscore. For example - name_of_student, etc.
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| SNAKE CASE |
MULTIPLE ASSIGNMENT:
Python allows us to assign a value to multiple variables in a single statement, which is also known as multiple assignments.
We can apply multiple assignments in two ways, either by assigning a single value to multiple variables or assigning multiple values to multiple variables. Consider the following example.
1. ASSIGN SINGLE VALUE TO MULTIPLE VARIABLES:
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| SINGLE VALUE |
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2. ASSIGNING TO MULTIPLE VALUES TO MULTIPLE VARIABLES:
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| MULTIPLE VALUE |
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