python 巧用字典get方法

解题思路:

注意事项:

参考代码:

s=input()

d=dict()

a=[]

for i in range (len(s)):

    d[s[i]]=d.get(s[i],0)+1

for i in range(len(s)):

    if d[s[i]]==max(d.values()):

        a.append(s[i])

print(min(a))

print(max(d.values()))