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Explanatory Question

What is Local Variables in Python?

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Answer with Explanation

A variable declared inside the function's body or in the local scope is known as a local variable.

Accessing local variable outside the scope 

def foo():
    y = "local"


foo()
print(y)

Output 

NameError: name 'y' is not defined

The output shows an error because we are trying to access a local variable y in a global scope whereas the local variable only works inside foo() or local scope.

Let's see an example on how a local variable is created in Python.

Create a Local Variable

Normally, we declare a variable inside the function to create a local variable.

def foo():
    y = "local"
    print(y)

foo()

Output 

local