save project

diy.py

@@ -8,5 +8,5 @@ with open(r"C:\Users\86186\Documents\lesson13-1\sales_list.txt","r",encoding="ut
             sum=sum+int(c)
             sum=sum+int(c)
         d=b[0]+str(sum)+'\n'
         d=b[0]+str(sum)+'\n'
         e.append(d)
         e.append(d)
-with open(r"C:\Users\86186\Desktop\new.txt","r",encoding="utf-8")as flie:
+with open(r"C:\Users\86186\Desktop\new.txt","a",encoding="utf-8")as flie:
     flie.writelines(e)
     flie.writelines(e)
\ No newline at end of file