diy.py 271 Bytes Edit 1 2 3 4 5 6 7 8 9 with open(r"C:\Users\Administrator\Desktop\sales_list.txt","r",encoding = "utf-8") as file: a = file.readlines() for i in a: date = i.split() sum = 0 for an in date[1:]: sum = sum + int(an) relist = date[0] + str(sum) print(relist)