题解 | 在字符串中找出连续最长的数字串
dic = {}
s = input()
maxlen = 0
for i in range(len(s)):
for j in range(i+1,len(s)+1):
if s[i:j].isdigit():
# print(s[i:j])
if maxlen < (j-i) :maxlen = (j-i)
if maxlen not in dic:dic[maxlen] = []
if (j-i)==maxlen: dic[maxlen].append(s[i:j])
print(''.join(dic[maxlen]),end=',')
print(maxlen)
