Shallow Copy vs Deep Copy vs Assignment in Python

A quick overview about shallow copy,deepcopy and assignment in python.

Copying objects can be done in three ways in Python:

Assignment Operation in python usually won’t create copies. It will create references to the existing object.

Example: int,string are immutable objects in python.

If the above example,if we assign x=y, both x and y will point to same object in memory.

If we try to modify the value of y=10, only value of y is changed. x remains the same.y will point to another int object 10

Same for str object also.

2. Mutable objects

Example: List,Set,Dictionary

Both x and y will point to same object in memory.

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