save project

diy.py

 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
-final_sum[]
+final_sum=[]
 for i in a:
     print(i)
     data=i.split()
@@ -12,6 +12,4 @@ for i in a:
 final_sum.append[tresul]
 
 with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
-    a=file.writelines(final_sum)
-
-    print(result)    
\ No newline at end of file
+    file.writelines(final_sum)