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[英]Why isn't this code not working properly? Python loop not breaking properly [on hold]
[英]Why is code 1 working properly, while code 2 isn't ? (Python)
我在Codebat上尝试这种锻炼:
给定数字n,如果n在1..10(含)范围内,则返回True。 除非outside_mode为True,否则如果数字小于或等于1,或者大于或等于10,则返回True。
代码1:
def in1to10(n, outside_mode):
if not outside_mode:
return n in range(1,11)
return n <= 1 or n >= 10
代码2:
def in1to10(n, outside_mode):
if outside_mode and n <= 1 and n >= 10:
return True
elif n >= 1 and n <= 10:
return True
else:
return False
有人可以向我解释一下,因为我认为这些代码很相似。
这行是错误的:
if outside_mode and n <= 1 and n >= 10:
n不可能同时小于(或等于)1和大于(或等于)10,它应该是:
def in1to10(n, outside_mode):
if outside_mode and n <= 1 or n >= 10:
return True
elif n >= 1 and n <= 10:
return True
else:
return False
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