def?cal_recom_result(sim_info,user_click):
????'''
????recom?by?itemcf
????Args:
????????sim_info:item?sim?dict
????????user_click:user?click?dict
????Return:
????????dict,key:userid?value?dict,value_key?itemid,value_value?recom_score
????'''
????recent_click_num=3
????topk=5
????recom_info={}
????for?user?in?user_click:
????????click_list=user_click[user]
????????recom_info.setdefault(user,{})
????????for?itemid?in?click_list[:recent_click_num]:
????????????if?itemid?not?in?sim_info:
????????????????continue
????????????for?itemsimzuhe?in?sim_info[itemid][:topk]:
????????????????itemsimid=itemsimzuhe[0]
????????????????itemsimscore=itemsimzuhe[1]
???????????????
????return?recom_info