mirror of https://github.com/python/cpython
Add recipe to itertools doc.
This commit is contained in:
parent
c79fb0e52d
commit
5ce0aa236f
|
@ -653,6 +653,14 @@ which incur interpreter overhead.
|
|||
pending -= 1
|
||||
nexts = cycle(islice(nexts, pending))
|
||||
|
||||
def accumulate(iterable):
|
||||
'Emit a running total'
|
||||
# accumulate([1,2,3,4,5]) --> 1 3 6 10 15
|
||||
total = 0
|
||||
for element in iterable:
|
||||
total += element
|
||||
yield total
|
||||
|
||||
def partition(pred, iterable):
|
||||
'Use a predicate to partition entries into false entries and true entries'
|
||||
# partition(is_odd, range(10)) --> 0 2 4 6 8 and 1 3 5 7 9
|
||||
|
|
Loading…
Reference in New Issue