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Diffstat (limited to 'Doc/library/functions.rst')
| -rw-r--r-- | Doc/library/functions.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index e982ceb..1321c7a 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -1492,7 +1492,9 @@ are always available. They are listed here in alphabetical order. The left-to-right evaluation order of the iterables is guaranteed. This makes possible an idiom for clustering a data series into n-length groups - using ``zip(*[iter(s)]*n)``. + using ``zip(*[iter(s)]*n)``. This repeats the *same* iterator ``n`` times + so that each output tuple has the result of ``n`` calls to the iterator. + This has the effect of dividing the input into n-length chunks. :func:`zip` should only be used with unequal length inputs when you don't care about trailing, unmatched values from the longer iterables. If those |