题解 | #在字符串中找出连续最长的数字串#

while True:
    try:
        s = input()
        i = 0
        ls = []
        maxlen = 0
        while i < len(s):
            if s[i].isdigit():
                for j in range(i, len(s)):
                    if not s[j].isdigit():
                        ls.append(s[i:j])
                        maxlen = max(maxlen, j - i)
                        i = j + 1
                        break
                    elif j == len(s) - 1:
                        ls.append(s[i : j + 1])
                        maxlen = max(maxlen, j - i + 1)
                        i = j + 1
                        break
            else:
                i += 1
        for x in ls:
            if len(x) == maxlen:
                print(x, end="")
        print(",%d" % maxlen)
    except:
        break