This commit is contained in:
blueloveTH 2023-02-18 15:48:47 +08:00
commit b8f7491cd7
2 changed files with 9 additions and 0 deletions

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@ -44,6 +44,12 @@ def any(iterable):
return True return True
return False return False
def enumerate(iterable, start=0):
n = start
for elem in iterable:
yield n, elem
n += 1
def sum(iterable): def sum(iterable):
res = 0 res = 0
for i in iterable: for i in iterable:

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@ -199,3 +199,6 @@ assert all([True, 1])
assert not all([False]) assert not all([False])
assert not all([True, False]) assert not all([True, False])
assert not all([False, False]) assert not all([False, False])
assert list(enumerate([1,2,3])) == [(0,1), (1,2), (2,3)]
assert list(enumerate([1,2,3], 1)) == [(1,1), (2,2), (3,3)]