[已解决]python 20课练习，动动手2（请教大家怎么精简）

Carven

请教大家，第二个for 语句怎么精简？
还有想问下目前思路会不会有很大问题，里面有没有逻辑在一些别的应用上造成很大的问题？

谢谢解答，不胜感激。

1. xiaoxie = 'abcdefghijklmnopqrstuvwxyz'
   
2. daxie = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
   
3. 
   
4. def find1(x):
   
5.     #temp为临时值，xx为转译为'1'和'0'后的字符
   
6.     temp = x.replace('\n','')
   
7.     xx = ''
   
8.     for each in list(temp):
   
9.         if each in xiaoxie:
   
10.             each = 0
    
11.         else:
    
12.             each = 1
    
13.         xx += str(each)
    
14.     # n为当前索引数，mima为密码，nember1/2为临时索引结果的和
    
15.     n = 0
    
16.     mima = ''
    
17.     for i in list(xx):
    
18.         if i == '0' and (n >= 4) and (n <= (len(xx)-3)):
    
19.             nember1 = int(xx[n-3]) + int(xx[n-2]) + int(xx[n-1]) + int(xx[n+1]) + int(xx[n+2]) + int(xx[n+3])
    
20.             nember2 = int(xx[n-4]) + int(xx[n+4])
    
21.             if (nember1 == 6) and (nember2 == 0):
    
22.                 mima += temp[n]
    
23.         n += 1      
    
24. 
    
25.     print('密码:',mima)
    
26.         
    
27. 
    
28. find1('''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
    
29. lqNsYCyaQXBzrFUbkAUAWAKrDgDtAlGMBqWQhpEwquZqWZJpslUfMllCwWptqINjrOBTLuPzwvXNbLCx
    
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131. qKWGc''')
     
132. 
     
133.         
     
134. 
     
135. 
     

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最佳答案

月排行榜 / 总排行榜

qq1151985918

2021-1-21 09:43:12

老板还是好好学习吧，当你学会正则表达式这个没那么烦了

1. import re
   
2. getcode = re.findall(r"[^A-Z][A-Z]{3}([a-z])[A-Z]{3}[^A-Z]",text)
   
3. code = "".join(x for x in getcode)
   
4. print(getcode,code)
   

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跳转到最佳答案楼层

EthanHsiung

第二个for循环里，i只用了一次，可以用索引n来代替

1.     mima = ''
   
2.     xx = list(xx)
   
3.     for n in range(len(xx)):
   
4.         if  xx[n] == '0' and (n >= 4) and (n <= (len(xx)-3)):
   
5.             nember1 = int(xx[n-3]) + int(xx[n-2]) + int(xx[n-1]) + int(xx[n+1]) + int(xx[n+2]) + int(xx[n+3])
   
6.             nember2 = int(xx[n-4]) + int(xx[n+4])
   
7.             if (nember1 == 6) and (nember2 == 0):
   
8.                 mima += temp[n]     
   
9. 
   
10.     print('密码:',mima)

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基本没什么问题

qq1151985918

老板还是好好学习吧，当你学会正则表达式这个没那么烦了

1. import re
   
2. getcode = re.findall(r"[^A-Z][A-Z]{3}([a-z])[A-Z]{3}[^A-Z]",text)
   
3. code = "".join(x for x in getcode)
   
4. print(getcode,code)
   

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Carven

qq1151985918 发表于 2021-1-21 09:43
老板还是好好学习吧，当你学会正则表达式这个没那么烦了

明白，谢谢你！

Carven

EthanHsiung 发表于 2021-1-20 21:21
第二个for循环里，i只用了一次，可以用索引n来代替

谢谢！懂了懂了，节省了一倍的运算（n += 1）