save project

diy.py

 sum=0
+b=[]
 with open(r"c:\Users\ASUS\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file:
     a = file.readlines()
 for i in a:
     data=i.split()
     for s in data[1:]:
         sum=sum+int(s)
-    z=data[0]+str(sum)
-    print(z)
\ No newline at end of file
+    z=data[0]+str(sum)+"\n"
+    b.append(z)
+with open(r"C:\Users\ASUS\Desktop\test.txt","w",encoding="utf-8") as c:
+    c.writelines(b)
\ No newline at end of file