save project

my_window.py

@@ -32,3 +32,7 @@ lab3.place(x=30,y=200)
 
 # 保持窗口监听，进入消息循环
 root.mainloop()
+
+buttonl=tkinter.Button(root,text='提交',bg="lightgreen",fg="black"),width=15'command=rext
+button1.place(x=250,y=220)
+root.mainloop()
\ No newline at end of file