auto save

diy.py

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