题解 | #在字符串中找出连续最长的数字串#

import sys

for line in sys.stdin:
    a = line.strip()
    just1 = False
    numstr,tamp = [],''
    for i in a:
        if i.isdecimal():
            tamp += i
        elif tamp:
            numstr.append([len(tamp),tamp])
            tamp = ''
    else:
        if tamp:numstr.append([len(tamp),tamp])
    num = max([i[0] for i in numstr])
    for i in numstr:
        if i[0] == num:
            print(i[1],end="")
    print(f',{num}')