save project

diy.py

 sum=0
 sum=0
-b=[]
 with open(r'c:\Users\EDZ\Documents\lesson13-1\sales_list.txt',"r",encoding='utf-8') as file:
 with open(r'c:\Users\EDZ\Documents\lesson13-1\sales_list.txt',"r",encoding='utf-8') as file:
      a=file.readlines()
      a=file.readlines()
 for i in a:
 for i in a:
@@ -11,4 +10,4 @@ for i in a:
     print(result)
     print(result)
     b.append(result)
     b.append(result)
 with open(r'c:\Users\EDZ\Desktop\test.txt',"a",encoding='utf-8') as c:
 with open(r'c:\Users\EDZ\Desktop\test.txt',"a",encoding='utf-8') as c:
-    c.writelines(b)
+    c.brint()
\ No newline at end of file