练习题1
摘要:
s='hello alex alex say hello sb sb' l=s.split() dic={} for item in l: if item in dic: dic[item]+=1 else: dic[item]=1 print(dic)运行结果:计算每个元素出现的次数{'hello 阅读全文
posted @ 2019-03-19 14:36 Nicole2333 阅读(542) 评论(0) 推荐(0) 编辑