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improve max and min

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This commit is contained in:
BLUELOVETH 2023-06-01 13:28:14 +08:00
parent eaccba8622
commit b3cbb121a4
1 changed files with 32 additions and 4 deletions
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36
python/builtins.py
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@ -16,11 +16,39 @@ def round(x, ndigits=0):
def abs(x): def abs(x):
return -x if x < 0 else x return -x if x < 0 else x
def max(a, b): def max(*args):
return a if a > b else b if len(args) == 0:
raise TypeError('max expected 1 arguments, got 0')
if len(args) == 1:
args = args[0]
args = iter(args)
res = next(args)
if res is StopIteration:
raise ValueError('max() arg is an empty sequence')
while True:
i = next(args)
if i is StopIteration:
break
if i > res:
res = i
return res
def min(a, b): def min(*args):
return a if a < b else b if len(args) == 0:
raise TypeError('min expected 1 arguments, got 0')
if len(args) == 1:
args = args[0]
args = iter(args)
res = next(args)
if res is StopIteration:
raise ValueError('min() arg is an empty sequence')
while True:
i = next(args)
if i is StopIteration:
break
if i < res:
res = i
return res
def all(iterable): def all(iterable):
for i in iterable: for i in iterable: