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authorAndrew M. Kuchling <amk@amk.ca>2000-08-04 12:35:23 (GMT)
committerAndrew M. Kuchling <amk@amk.ca>2000-08-04 12:35:23 (GMT)
commit581f33a4cb184a50d6057f350877c7e56dd1dca2 (patch)
tree078957e6cca08af07b762d69eef6d9e7ad9bad9c
parent3027b15c8e2a2d8098388a4d28842934025f861e (diff)
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Added zip() builtin
-rw-r--r--Doc/whatsnew/whatsnew20.tex8
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/whatsnew/whatsnew20.tex b/Doc/whatsnew/whatsnew20.tex
index e09de7e..86b8528 100644
--- a/Doc/whatsnew/whatsnew20.tex
+++ b/Doc/whatsnew/whatsnew20.tex
@@ -477,6 +477,14 @@ the existing '\%s' format style, which inserts the \function{str()} of
its argument. For example, \code{'\%r \%s' \% ('abc', 'abc')} returns a
string containing \verb|'abc' abc|.
+A new built-in, \function{zip(\var{seq1}, \var{seq2}, ...)}, has been
+added. \function{zip()} returns a list of tuples where each tuple
+contains the i-th element from each of the argument sequences. The
+difference between \function{zip()} and \code{map(None, \var{seq1},
+\var{seq2})} is that \function{map()} raises an error if the sequences
+aren't all of the same length, while \function{zip()} truncates the
+returned list to the length of the shortest argument sequence.
+
The \function{int()} and \function{long()} functions now accept an
optional ``base'' parameter when the first argument is a string.
\code{int('123', 10)} returns 123, while \code{int('123', 16)} returns