零基础学习python【20课课后题1】疑问,Python交流,编程语言专区,鱼C论坛

来生做春风 发表于 2020-4-23 21:22:33

零基础学习python【20课课后题1】疑问

1.请用已经学过的只是编写程序，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)没为密码的左右两边均有且只有三个大写字母

# 下面是我编写的程序

str1 = '''小甲鱼提供的超长字符串''
length = len(str1)
for i in range(3, length-2):
if str1.islower():
   if str1.isupper() and str1.isupper() and str1.isupper() and str1.islower():
         j = i
         while str1.islower():
            j += 1
         if str1.isupper() and str1.isupper() and str1.isupper() and str1.islower():
            if len(str1) > 5:
               print('密码是:', str1)
               print('位置', i, ',', j)

#我的输出结果
（经过验证也满足题目要求，但是没找到参考答案，我觉得是'\n'引起的，想请教一下：怎么在我的程序中加入合适的语句，从而考虑到'\n'的影响呢？）
密码是: ufvbty
位置 1553 , 1559
密码是: hiwjnvje
位置 6049 , 6057

#参考答案的输出结果
ilovefishc

weiter 发表于 2020-4-23 21:30:04

我不说解法，就给个建议：把代码放到代码框里可好？
比如这样

xiangjianshinan 发表于 2020-4-23 21:39:35

小甲鱼提供的超长字符串在哪里呢？

来生做春风 发表于 2020-4-23 22:15:16

xiangjianshinan 发表于 2020-4-23 21:39
小甲鱼提供的超长字符串在哪里呢？

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qKWGc

来生做春风 发表于 2020-4-23 22:16:03

weiter 发表于 2020-4-23 21:30
我不说解法，就给个建议：把代码放到代码框里可好？

哎呀，抱歉哈！请问这个怎么放呢？我直接复制过来就是纯文本了{:5_104:}

来生做春风 发表于 2020-4-23 22:16:34

超长字符串来啦！
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weiter 发表于 2020-4-23 22:16:50

来生做春风发表于 2020-4-23 22:16
哎呀，抱歉哈！请问这个怎么放呢？我直接复制过来就是纯文本了

在你编辑帖子的时候会有类似这样的图标
<>
点这个就好

来生做春风 发表于 2020-4-23 22:19:18

weiter 发表于 2020-4-23 22:16
在你编辑帖子的时候会有类似这样的图标

点这个就好

1.请用已经学过的只是编写程序，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)没为密码的左右两边均有且只有三个大写字母

# 下面是我编写的程序

str1 = '''小甲鱼提供的超长字符串'''
length = len(str1)
for i in range(3, length-2):
if str1.islower():
   if str1.isupper() and str1.isupper() and str1.isupper() and str1.islower():
         j = i
         while str1.islower():
            j += 1
         if str1.isupper() and str1.isupper() and str1.isupper() and str1.islower():
            if len(str1) > 5:
               print('密码是:', str1)
               print('位置', i, ',', j)

#我的输出结果
（经过验证也满足题目要求，但是没找到参考答案，我觉得是'\n'引起的，想请教一下：怎么在我的程序中加入合适的语句，从而考虑到'\n'的影响呢？）
密码是: ufvbty
位置 1553 , 1559
密码是: hiwjnvje
位置 6049 , 6057

#参考答案的输出结果
ilovefishc

weiter 发表于 2020-4-23 22:21:13

来生做春风发表于 2020-4-23 22:19
1.请用已经学过的只是编写程序，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：
...

我说过的“我只是来说一下代码段的事”
我已经好久没有碰python了（真的忘了很多，对不起，无力了）{:10_284:}

来生做春风 发表于 2020-4-23 22:22:16

weiter 发表于 2020-4-23 22:21
我说过的“我只是来说一下代码段的事”
我已经好久没有碰python了（真的忘了很多，对不起，无力了）{:10 ...

嗯嗯，好哒！朋友，同样谢谢你

txxcat 发表于 2020-4-23 22:37:28

加一句这个可以去除掉\n，但是你的算法有问题，你没有理解对题目，aAAAaAAAa，中间那个小写的字母才是符合条件的密码字符之一，而不是若干连续的小写字母。
str1=str1.replace('\n','')

页: [1]

鱼C论坛's Archiver

零基础学习python【20课课后题1】疑问