save project

diy.py

@@ -9,4 +9,4 @@ for i in a:
     sblyc=sbwgh[0]+str(lsbwgh)+'\n'
     sblyc=sbwgh[0]+str(lsbwgh)+'\n'
     sum.append(sblyc)
     sum.append(sblyc)
 with open(r'c:\Users\admin\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file:
 with open(r'c:\Users\admin\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file:
-    file.writable()
+    file.writelines(sum)
\ No newline at end of file