题解 | #在字符串中找出连续最长的数字串#

while True:
    try:
        string = input()
        lst = []
        max_len = 0
        c = ''
        for i,s in enumerate(string):
            if s.isdigit():
                c += s
            if not s.isdigit() or i==len(string)-1:
                if c !='' and len(c) >= max_len:
                    if max_len == len(c):
                        lst.append(c)
                    elif max_len < len(c):
                        lst.clear()
                        lst.append(c)
                        max_len = len(c)
                c = ''
        print(''.join(lst),max_len,sep=',')
    except:
        break