python实现输入一个字符串，统计每个字符串出现次数且实现字符串反转

# 实现输入一个字符串，统计每个字符串出现次数且实现字符串反转
from functools import reduce
def count_char(string):
    z = {}
    for i in string:
        if i not in z:
            z[i]=1
        else:
            z[i]+=1
    return z

i=count_char(input("请输入一个字符串："))
print('你输入的字符串每个字符出现次数为：',str(i))
print(reduce(lambda x, y: y + x, i))