Add new example

2007-03-20 21:12:23 +00:00 · 2007-03-20 21:12:23 +00:00 · 42f4cfa9b6
parent c77f6c6ea4
commit 42f4cfa9b6
1 changed files with 3 additions and 0 deletions
--- a/Doc/lib/libitertools.tex
+++ b/Doc/lib/libitertools.tex
@ -539,5 +539,8 @@ def grouper(n, iterable, padvalue=None):
    "grouper(3, 'abcdefg', 'x') --> ('a','b','c'), ('d','e','f'), ('g','x','x')"
    return izip(*[chain(iterable, repeat(padvalue, n-1))]*n)

+def reverse_map(d):
+    "Return a new dict with swapped keys and values"
+    return dict(izip(d.itervalues(), d))

 \end{verbatim}