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| author | Senthil Kumaran <senthil@uthcode.com> | 2012-02-09 10:22:01 (GMT) |
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| committer | Senthil Kumaran <senthil@uthcode.com> | 2012-02-09 10:22:01 (GMT) |
| commit | 59e7c8f1779254a6a5974ca329eb6f2438e1f6e1 (patch) | |
| tree | ec33ea68ef595c00fc92bd8af705f5bde13974b6 /Doc | |
| parent | 607e31eddf07865fa6308cb7f5e2f75d290d1bda (diff) | |
| download | cpython-59e7c8f1779254a6a5974ca329eb6f2438e1f6e1.zip cpython-59e7c8f1779254a6a5974ca329eb6f2438e1f6e1.tar.gz cpython-59e7c8f1779254a6a5974ca329eb6f2438e1f6e1.tar.bz2 | |
Issue #9021: Add an introduction to the copy module. Doc changes suggested by Terry Reedy.
Diffstat (limited to 'Doc')
| -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 b3ce51f..0f23a95 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: |