Python learning experience-the next day

Timedata = time.strftime (, Time.localtime (Time.time ())) (data) product_list = [(,), (,), (,)] shop_car = []exit_flag = salary =  () salary.isdigit ():     salary =  (Salary):     () item  (product_list):     index  = item[]    p_name = item[][]    p_price =  item[][]     (Index,p_name,p_price) welcome =  (. Center (,)) (welcome) Exit_flag  :    item  (product_list):         index  = item[]        p_name = item[][]         p_price = item[][]          (Index,p_name,p_price)     user_choice =  ()     user_ Choice.isdigit (): &NBSP;&NBSP;&Nbsp;     user_choice =  (User_choice)          user_choice <  (product_list):             p_item = product_list[user_choice]             p_item[] < salary:                 shop_car.append (P_item)                  salary -=p_item[]                  (% (p_item,salary))              :                  (%salary,data)         :              ()     :         user_choice == user_choice == user_choice == user_choice == :              (. Center (,))              item shop_car:                  (item)               (. Center (,))              (%salary )              (data)              exit_flag =

Python learning experience-the next day