save project

diy.py

 with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file1:
 with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file1:
     a=file1.readlines()
     a=file1.readlines()
     #print(a)
     #print(a)
-    ww=[]
+    final_sum=[]
 for i in a:
 for i in a:
     data=i.split( )
     data=i.split( )
     sum = 0
     sum = 0
     for b in data[1:]:
     for b in data[1:]:
         sum = sum + int(b)
         sum = sum + int(b)
     result=data[0]+str(sum)
     result=data[0]+str(sum)
-    print(result)
-    ww.append(result)
-with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt","a",encoding="utf-8") as file1:
-    a=file1.writelines()
+    #print(result)
+    final_sum.append(result)
+    
+    with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file1:
\ No newline at end of file
+        =file1.writelines()
\ No newline at end of file