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发表于 2019-9-26 10:35:05
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显示全部楼层
题目是:
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:
a) 每位密码为单个小写字母
b) 每位密码的左右两边均有且只有三个大写字母
楼主,看看题目中的红字,实际上需要判断的字符串长度不止 7 个,而是 9 个!
str1 = '''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
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qKWGc'''
str = ''
for x in str1:
str += x . strip()
str = 'a' + str + 'a'
passwd = ''
for k in range(4 , len(str) - 4):
if str[k - 4] . islower() and str[k - 3 : k] . isupper() and str[k] . islower() and str[k + 1 : k + 4] . isupper() and str[k + 4] . islower():
passwd += str[k]
print(passwd)
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