Python字典与拆分的运用，求解答

Python中统计出现次数，从键盘上接收数字字符串，统计整数出现次数并且按照次数逆序输出

d = dict()
nums = input().split()
for i in nums:
    i = int(i)
    if i in d:
        d[i]+=1
    else:
        d[i]=1
res = dict(sorted(d.items(),key=lambda x:x[1],reverse=True))
print(res)