save project

diy.py

 with open(r"c:\Users\lenovo\Documents\lesson13_2\sales_list.txt","r",encoding="utf-8") as q:
     a = q.readlines()
+fs = []
 for i in a:
     data = i.split()
     sum = 0
     for s in data[1:]:
         sum += int(s)
-    b = data[0] + str(sum)
-    print(b)
+    b = data[0] + str(sum) + "\n"
+    fs.append(b)
+with open(r"c:\Users\lenovo\Documents\lesson13_2\q_list.txt","w",encoding="utf-8") as g:
+    g.writelines(fs)
+