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Python program to convert POS to SOP

Python program to find number of local variables in a function

Last Updated : 10 Jan, 2019

Given a Python program, task is to find the number of local variables present in a function.

Examples:

Input : a = 1
        b = 2.1
        str = 'GeeksForGeeks'
    
Output : 3

We can use the co_nlocals() function which returns the number of local variables used by the function to get the desired result.

Code #1:

# Implementation of above approach 
  
# A function containing 3 variables  
def fun(): 
    a = 1
    str = 'GeeksForGeeks'
  
  
# Driver program 
print(fun.__code__.co_nlocals) 

Output:

Code #2:

# Python program to find number of 
# local variables in a function 
  
# A function containing no variables  
def geek(): 
    pass
  
# A function containing 3 variables  
def fun(): 
    a, b, c = 1, 2.25, 333
    str = 'GeeksForGeeks'
  
# Driver program 
print(geek.__code__.co_nlocals) 
print(fun.__code__.co_nlocals) 

Output:

0
4

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