import?math
import?sys

def?main（p_train?p_output）:
????infile?=?open（p_train）
????infile.readline（）

????art_uid_score?=?{}
????uid_score?=?{}


????for?line?in?infile:
????????artid?iid?uid?score?time?=?line.strip（）.split（‘‘）
????????key?=?artid?+?‘\t‘?+?uid

????????if?key?not?in?art_uid_score:
????????????art_uid_score[key]?=?[]

????????art_uid_score[key].append（float（score）?）


????outfile?=?open（p_output?‘w‘）
????for?key?in?art_uid_score:

????????max_score?=?max（art_uid_score[key]）
????????min_score?=?min（art_uid_score[key]）
????????total?=?0
????????for?member?in?art_uid_score[key]:
????????????total?+=?member

????????#（artid?uid）?ave_score?min_score?max_score?score_num
????????outfile.write（key?+?‘\t‘?+?str（float（total）/len（art_uid_score[key]））?+?‘\t‘?+?str（min_score）?+?‘\t‘+str（max_score）?+?‘\t‘?+?str（len（art_uid_score[key]））?+?‘\n‘）

????outfile.close（）
????infile.close（）


if?__name__?==?‘__main__‘:
????import?sys
????if?len（sys.argv）?????????print?‘?train?output‘
????????exit（-1）
????p_train?=?sys.argv[1]
????p_output?=?sys.argv[2]

????main（p_train?p_output）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\
?????文件?????????484??2014-07-23?18:06??codes_of_innovations_for_emi-master\README.md
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\
?????文件?????????696??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\README.md
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\bin\
?????文件????????1600??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\bin\run_predict_all.sh
?????文件????????2273??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\bin\run_predict_validation.sh
?????文件?????????697??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\bin\run_prepare.sh
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\
?????文件?????????239??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\mapping_2th_column.txt
?????文件?????????213??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\mapping_3th_column.txt
?????文件?????2101541??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\rec_log_test.group
?????文件?????3318735??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\rec_log_train.group
?????文件?????2101571??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\test_5_columns.csv
?????文件?????3770604??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users.new.csv
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\
?????文件??????????20??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\map_gender.map
?????文件?????????390??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\map_list_back.map
?????文件?????????396??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\map_list_own.map
?????文件?????????376??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\map_music_value.map
?????文件??????????84??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\map_region_value.map
?????文件?????????418??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\users_file_meta\map_working_status.map
?????文件?????7723091??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\words.mid.csv
?????文件?????3204334??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\words.new.csv
?????文件????19736846??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\mid_data\words_process.csv
?????目錄???????????0??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\raw_data\
?????文件????????3493??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\raw_data\UserKey.csv
?????文件?????1849976??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\raw_data\test.csv
?????文件?????3318765??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\raw_data\train.csv
?????文件?????8608150??2014-07-23?18:06??codes_of_innovations_for_emi-master\code_of_innovations\data\raw_data\users.csv
............此處省略61個文件信息