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| -rw-r--r-- | Doc/lib/libitertools.tex | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/lib/libitertools.tex b/Doc/lib/libitertools.tex index 59fbd98..f39cde6 100644 --- 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} |