Table of Contents

• Overview

Overview

copy.copy(x)      # shallow
copy.deepcopy(x)

• It does "copy" functions and classes
• Use dict.copy() or list[:] to create a shallow copy of dict and list
• Classes can define special methods __copy__() and __deepcopy__()

shallow

inserts references into a new object to the objects found in the original.

deep

recursively inserts copies into a new object of the objects found in the original. Recursive objects may cause a recursive loop.