From: Georg Brandl <georg@python.org>
Date: Sun, 21 Mar 2010 09:17:41 +0000 (+0000)
Subject: Introduce copy by slicing, used in later chapters.
X-Git-Tag: v2.7b1~293
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0fcd8821014f023936f0c331258a1ea6eed7bcf2;p=python

Introduce copy by slicing, used in later chapters.
---

diff --git a/Doc/tutorial/introduction.rst b/Doc/tutorial/introduction.rst
index 1d67ed3df0..c953394e5d 100644
--- a/Doc/tutorial/introduction.rst
+++ b/Doc/tutorial/introduction.rst
@@ -523,6 +523,12 @@ concatenated and so on::
    >>> 3*a[:3] + ['Boo!']
    ['spam', 'eggs', 100, 'spam', 'eggs', 100, 'spam', 'eggs', 100, 'Boo!']
 
+All slice operations return a new list containing the requested elements.  This
+means that the following slice returns a shallow copy of the list *a*::
+
+   >>> a[:]
+   ['spam', 'eggs', 100, 1234]
+
 Unlike strings, which are *immutable*, it is possible to change individual
 elements of a list::