save project

hg.py

 with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as a:
     b=a.readlines()
     #print(b)
-d=[""]
+d=[]
 for i in b:
     c=i.split()
     s=0
@@ -11,4 +11,4 @@ for i in b:
     d.append(e)
 
 with open(r"c:\Users\Administrator\Documents\lesson13-1\sales_list.txt","w",encoding="utf-8") as p:
-    p.write(d)
\ No newline at end of file
+    p.writelines(d)
\ No newline at end of file