save project

diy2.py

-    username = "python"
-    userpassword = "123456"
-    while True:
+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -11,4 +14,7 @@
             continue
             continue
         if password != userpassword:
         if password != userpassword:
             print("密码输入有误，请重新输入")
             print("密码输入有误，请重新输入")
-    print("欢迎来到贝尔编程!")
+    else: 
\ No newline at end of file
+        print("I am your father")
+    exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file