Python deep copy _ shallow copy, python copy

Python deep copy _ shallow copy, python copy

A shallow copy is a reference relationship, and a change to another value also changes.

Deep copy is used to copy a value and store the copied value in a new storage address in the system memory.

Summary:

Two variables point to the same location. They share the same value of the same address.

Deep COPY Copies the same value and places it in different addresses. Both values have their own independent storage locations.

 

A = 123

B = a. a normal variable assignment is a shortest copy.

 

Import copy

B = copy. deepcopy (a) The deepcopy method in the copy module is used for deep copy.