[已解决]关于20讲动动手01找出密码的问题

wmy1212

1. # 请用已学过的知识编写程序，找出小甲鱼藏在下边这个长字符串中的密码，密码的埋藏点符合以下规律：
   
2. #    a) 每位密码为单个小写字母
   
3. #    b) 每位密码的左右两边均有且只有三个大写字母
   
4. 
   
5. str2 = r'''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
   
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108. qKWGc'''
     
109. countA = 0
     
110. countB = 0
     
111. countC = 0
     
112. length = len(str2)
     
113. for i in range(length):
     
114.     if str2[i] == '\n':
     
115.         continue
     
116.     if str2[i].isupper():#如果是个大写，判断是A部分还是C部分
     
117.         if countB:#说明是C部分
     
118.             countC += 1
     
119.         else:
     
120.             countA += 1
     
121.             countC = 0
     
122.     if str2[i].islower == 1:#如果是个小写，要看A部分是不是3，B是不是0
     
123.         if countA != 3:
     
124.             countA = 0
     
125.             countB = 0
     
126.             countC = 0
     
127.         else:
     
128.             if countB:
     
129.                 countA = 0
     
130.                 countB = 0
     
131.                 countC = 0
     
132.             else:#满足条件（A=3，B=0）
     
133.                 countB += 1
     
134.                 countC = 0
     
135.                 target = i
     
136.     if countA == 3 and countC == 3:
     
137.         if i+1 != length and str2[i+1].isupper():
     
138.             countB = 0
     
139.             countC = 0
     
140.         else:
     
141.             print(str2[target],end='')
     
142.             countA = 3
     
143.             countB = 0
     
144.             countC = 0

复制代码

我的问题：
1.我照着答案写的，为什么跑不出来呀？不知道哪里错了。。
2.倒数第8行这里， if i+1 != length and str2[i+1].isupper():这时候为什么不用让countA也=0呢？

最佳答案

月排行榜 / 总排行榜

Twilight6

2021-6-28 22:43:41

第 122 行这里你忘记给函数加上 () 括号表示调用了

1. if str2[i].islower() == 1

复制代码

跳转到最佳答案楼层

Twilight6

第 122 行这里你忘记给函数加上 () 括号表示调用了

1. if str2[i].islower() == 1

复制代码

wmy1212

Twilight6 发表于 2021-6-29 12:10
第 122 行这里你忘记给函数加上 () 括号表示调用了

谢谢！！那倒数第8行这里， if i+1 != length and str2[i+1].isupper():这时候为什么不用让countA也=0呢？

jackz007

1. str1 = '''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
   
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104. qKWGc'''
     
105. s = 'a' + '' . join(str1 . split('\n')) + 'a'
     
106. p = ''
     
107. for k in range(4 , len(s) - 4):
     
108.     if s[k - 4] . islower() and s[k - 3 : k] . isupper() and s[k] . islower() and s[k + 1 : k + 4] . isupper() and s[k + 4] . islower():
     
109.         p += s[k]
     
110. print(p)

复制代码