第一题: if __name__ == "__main__": d = list(map(int, input().split(','))) for i in range(len(d)): for j in range(i): if int(str(d[i]) + str(d[j])) > int(str(d[j]) + str(d[i])): d[i], d[j] = d[j], d[i] d = [str(i) for i in d] if len(s...