is python call by reference or call by value

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Swann
06 Feb 2018
1If the object is mutable, the object will change.
2
3eg:
4  def my_func(my_list):
5    my_list.append(5)
6    print("List printed inside the function: ",my_list)
7    
8numberlist = [1,2,3]
9my_func(numberlist)
10# numberlist here changed since list is mutable in python 
11
12If the object is immutable (like a string!), 
13then a new object is formed, only to live within the function scope.
14
15eg:
16  def change_fruits(fruit):
17    fruit='apple'
18    
19myfruit = 'banana'
20change_fruits(myfruit)
21# myfruit does not change since string is immutable in python 
22
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