save project

bug.py

 import tkinter as tk
+clock = 0
 def btn():
+    global clock
     global var
     global en_user
     global en_pass
     usersname = en_user.get()
     password = en_pass.get()
-    if usersname == "ak47" and password == 'dnfh':
-        var.set("登录成功！")
-    elif usersname != 'ak47':
-        var.set("用户名错误")
-    elif password != 'dnfh':
-        var.set("密码错误！")
+    if clock != 5:
+        if usersname == "ak47" and password == 'dnfh':
+            var.set("登录成功！")
+        elif usersname != 'ak47':
+            var.set("用户名错误")
+            clock += 1
+        elif password != 'dnfh':
+            var.set("密码错误！")
+            clock += 1
+        else:
+            var.set("用户名和密码错误！")
+            clock += 1
     else:
-        var.set("用户名和密码错误！")
+        var.set("你已无法登录！")
 root = tk.Tk()
 root.geometry("200x150")
 root.title("登录")