课后题20,动动手第一题,找密码
本帖最后由 shenshuai 于 2019-10-14 07:39 编辑各位大佬们,我看了论坛里的一些朋友发的这道题答案之后我还是有些点不是很理解。希望大佬们能帮忙解释一些,谢谢了。
原题目问题:
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:Y5d|MAp
Y5d|MAp
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
以下是我看的其他朋友的答案,有些地方不是很理解。
str1 = '''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
lqNsYCyaQXBzrFUbkAUAWAKrDgDtAlGMBqWQhpEwquZqWZJpslUfMllCwWptqINjrOBTLuPzwvXNbLCx
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qKWGc'''
i = 3 #这里为什么要=3?为什么不是从0开始?
length = len(str1)
while i < length - 4 :#这里为什么要length - 4?
if str1.islower() :
if str1.isupper() and str1.isupper() and str1.isupper():
if str1.islower() :
if str1.isupper() and str1.isupper() and str1.isupper() :
if str1.islower() : #这里+4又是为什么呀?
print(str1,end = '')
i += 1
else :
i += 1
else:
i += 1
else :
i += 1
else :
i += 1
else :
i += 1 {:10_257:} 我也就是个渣渣 https://fishc.com.cn/thread-126201-1-1.html {:10_257:}渣渣3号 渣渣^_^
本帖最后由 XiaoPaiShen 于 2020-2-28 12:50 编辑
我贴的代码审核去了
审核没通过,给删除了 渣渣+1 {:10_256:} {:10_256:} {:10_256:} 新手来踩坑 ?看不懂 我是新人 我是渣渣,我是渣渣,噢噢噢,噢噢噢
新手来踩坑 我也就是个渣渣 我是渣渣{:10_256:} 水平不够,只能帮题主提供一些思路
108行i赋值为3应该是使得后面的while循环和if条件判定成立吧(题主可以试试改成其他数,看看程序有什么变化)
小菜鸡一号 小菜鸡来了{:10_256:}
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