#?-*-?coding:?utf-8?-*-
str_='ssdasdasefadd'
dict_char_tmp?=?{i:str_.count(i)?for?i?in?str_}?#得到所有單詞的個數
print?'得到所有單詞的個數:',?dict_char_tmp
dict_char={}
for?k,v?in?dict_char_tmp.items():
????if?dict_char.get(v):
????????dict_char[v].append(k)
????else:
????????dict_char[v]=[k]
#print?dict_char
dict_char_k?=?sorted(dict_char.items(),key=lambda?item:item[1],reverse?=True)
print?dict_char_k
char_l=?dict_char_k[0][1]
char_l.sort()
print?'得到出現次數最多的字母：',char_l[0],',個數是：',dict_char_k[0][0]

http://blog.csdn.net/u014440351/article/details/43699111