save project

diy.py

 with open(r"C:\Users\Administrator\Desktop\sales_list.txt","r",encoding="utf-8")as filel:
 with open(r"C:\Users\Administrator\Desktop\sales_list.txt","r",encoding="utf-8")as filel:
     a=filel.readlines()
     a=filel.readlines()
-
+    msn=[]
     for i in a:
     for i in a:
         w=i.split()
         w=i.split()
         # print(w[0])
         # print(w[0])
@@ -8,5 +8,8 @@ with open(r"C:\Users\Administrator\Desktop\sales_list.txt","r",encoding="utf-8")
         e=0
         e=0
         for b in w[1:]:
         for b in w[1:]:
             e=e+int(b)
             e=e+int(b)
-        name=w[0]+str(e)
-        print(name)
+        name=w[0]+str(e)+"\n"
+        msn.append(name)
\ No newline at end of file
+with open(r"C:\Users\Administrator\Desktop\sales_list.txt","a",encoding="utf-8")as filel:
+    filel.writelines(msn)
+