题解 | #统计一句话中重复单词的个数#
统计一句话中重复单词的个数
http://www.nowcoder.com/questionTerminal/2128e598b5a5407195c31175b5b33360
使用字典快速解决
str_n = input()
dic = {}
for i in str_n:
if i == " ":
continue
key = i
dic[key] = dic.get(key,0) + 1
for i in dic:
print(i+":"+str(dic[i]))
