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20课课后题

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发表于 2017-10-17 21:36:21 | 显示全部楼层 |阅读模式

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x
如果将
  1. if "\n" in x[i-3:i+4]:
复制代码
换为
  1. if "\n"or" "or"\r" in x[i-3:i+4]:
复制代码
将会什么都不显示,为什么?
  1. def find():
  2.     x='''ACFiCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
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  105. qKWGc'''
  106.     length=len(x)
  107.     for i in range (3,length-3):
  108.         if x[i].islower():
  109.             if "\n" in x[i-3:i+4]:
  110.                 continue
  111.             if x[i-3:i].isupper()and x[i+1:i+4].isupper():
  112.                
  113.                 if not x[i-4].isupper()and not x[i+4].isupper():
  114.                         print(x[i])

复制代码
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 楼主| 发表于 2017-10-17 22:36:46 | 显示全部楼层
来人啊
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