What is the difference between deep and shallow copy in Python?

Question

Accepted Answer

Deep copy creates a new object with a new memory address while shallow copy creates a new object with the same memory address as the original object.

Deep copy creates a completely new object with a new memory address.
Shallow copy creates a new object with the same memory address as the original object.
In deep copy, changes made to the copied object do not affect the original object.
In shallow copy, changes made to the copied object affect the original object.
Deep copy is used when we need to modify the copied object without affecting the original object.
Shallow copy is used when we need to create a new object with the same values as the original object.

Accepted Answer

- A shallow copy creates a new object but shares nested objects with the original.

- A deep copy creates a new object and recursively copies all nested objects, ensuring complete independence.

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