第020讲：函数：内嵌函数求解

noobeon

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：
    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

下面是我写的
list1 = []
lens = len(str1)
for i in range(4,lens):
    if str1[i].islower():
        if str1[i-4].islower() and str1[i-3:i].isupper():
            if str1[i+1:i+4].isupper() and str1[i+4].islower():
                list1.append(str1[i])
            else:
                continue
        else:
            continue
    else:
        continue
print(list1)

为什么输出是['u', 'i', 'l', 'o', 'v', 'e', 'f', 'i', 's', 'd', 'h', 'c']？
多了'u','d'...

拉了盏灯

原始字符串是什么？

塔利班

i会越上限
else没什么写的就不用continue了，可以去掉

noobeon

拉了盏灯 发表于 2018-9-1 10:26
原始字符串是什么？

这一坨
str1 ='''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
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qKWGc'''

geen

geen

拉了盏灯 发表于 2018-9-1 10:26
原始字符串是什么？

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qKWGc

geen

拉了盏灯 发表于 2018-9-1 10:26
原始字符串是什么？

第20讲，动动手，第0题：  https://fishc.com.cn/forum.php?m ... peid%26typeid%3D398

geen

找出来了。。


list1 = []
lens = len(str1)
for i in range(3,(lens-3)):
    if str1[i].islower():
        if (not str1[i-4].isupper()) and str1[i-3:i].isupper():
            if str1[i+1:i+4].isupper() and (not str1[i+4].isupper()):
                print(i)
                list1.append(str1[i])   
print(list1)

运行结果：
447            #‘u’ 的索引值
473
890
1371
1698
1930
2350
3380
4048
4578
5490
7594
['u', 'i', 'l', 'o', 'v', 'e', 'f', 'i', 's', 'd', 'h', 'c']

'u'是 ：
‘
aIY换行符
uABNu

’
里面的 u ，把换行符都算进去了。。

看图：

                               
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