save project

diy.py

-file=open(r'c:\Users\刁敬凯\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
+file=open(r'c:\Users\刁敬凯\Documents\lesson13-3\sales_list.txt','r',encoding='utf-8') 
 a=file.readlines()
-#print(a)
-file.close()
+print(a)
+f=[]
 for i in a:
 #    print(i)
     p=i.split()
@@ -10,5 +10,10 @@ for i in a:
     s=''
     for sa in p[1:]:
         sum+=int(sa)
-    s=p[0]+str(sum)
-    print(s)
\ No newline at end of file
+    s=p[0]+str(sum)+'\n'
+    print(s)
+    f.append(s)
+
+#print(f)#file.close()   # print(f)
+with open(r'c:\Users\刁敬凯\Desktop\a.txt','w',encoding='utf-8')as file1:
+    file1.writelines(f)