这样就行了:
def find_password(str0=''):
j = 3
k = (len(str0) - 3)
for i in str0[3:k]:
if i.islower():
if (str0[j - 3:j].isupper()) and (str0[j + 1:j + 4].isupper()):
if str0[j - 4].islower() and str0[j + 4].islower():
print(i, end='')
j += 1
str3 = '''ACFlCTLIQlAIVMTqHFkswqbDDHtpgcWaXSSglUYKE
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qKWGc''' # 其实字符串有很长很多
str3 = str3.replace("\n", '')
print('密码为:', end='')
find_password(str3)
|