python 实现
s=str(input())lst_s=[] lst_info=[] lst_num=[] for i in s:if int(i) not in lst_info:lst_info.append(int(i))lst_s.append(int(i)) lst_info.sort()for i,item in enumerate(lst_info):lst_num.append(lst_s.count(item))for i,item in enumerate(lst_info):print("{index}:{num}".format(index=item,num=lst_num[i]))