ShadowFiend

# -*- coding: utf-8 -*-
# Python 3.3.1

_str = "aAsmr3idd4bgs7Dlsf9eAF"
count = {}

for _item in sorted(list(_str)):
    if _item in count:
        count[_item] += 1
    else:
        count[_item] = 1
        

print(sorted([(count,word) for word,count in count.items()],reverse=True)[0])

input()
复制代码