题解 | 在字符串中找出连续最长的数字串

import sys
s = list(sys.stdin.readline().strip())
list1 = []    
for char in s:
    if char.isupper() or char.islower():
        list1.append('.')
    else:
        list1.append(char)
list2 = (''.join(list1)).split('.')
max_word = ''
max_count = 0
for i in list2:
    if i != '':
        if len(i) > max_count:
            max_word = i
            max_count = len(i)
        elif len(i) == max_count:
            max_word += i
print(max_word,',',max_count,sep = '')