Python

The Little Book of Python Anti-Patterns

The Little Book of Python Anti-Patterns — Python Anti-Patterns documentation

all slice copy -> shallow copy

All slice operations return a new list containing the requested elements. This means that the following slice returns a shallow copy of the list:>>>

>>> squares[:]
[1, 4, 9, 16, 25]

• https://docs.python.org/3/tutorial/introduction.html

deep copy

copy — Shallow and deep copy operations — Python 3.10.2 documentation