diff options
Diffstat (limited to 'Doc/library/copy.rst')
| -rw-r--r-- | Doc/library/copy.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/library/copy.rst b/Doc/library/copy.rst index 5ae79aa9..0c68bd9 100644 --- a/Doc/library/copy.rst +++ b/Doc/library/copy.rst @@ -4,7 +4,11 @@ .. module:: copy :synopsis: Shallow and deep copy operations. -This module provides generic (shallow and deep) copying operations. +Assignment statements in Python do not copy objects, they create bindings +between a target and an object. For collections that are mutable or contain +mutable items, a copy is sometimes needed so one can change one copy without +changing the other. This module provides generic shallow and deep copy +operations (explained below). Interface summary: |