diy.py

with open(r"c:\Users\hp\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8")as a:
    data = a.readlines()
for i in data:
    b = i.split()
    sum =0
    for j in b[1:]:
        sum = sum+int(j)
    c = b[0]+str(sum)
    print(c)