save project

diy2.py

 username = "python"
 userpassword = "123456"
+i=3
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-    if name != username:
-        print("用户名不正确，请重新输入")
+    ifi>0: 
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        if name == username and password == userpassword:
+            print("登录成功!")
+        if name != username:
+            print("用户名不正确，请重新输入")
         continue
-    if password != userpassword:
-        print("密码输入错误，请重新输入")
+        if password != userpassword:
+            print("密码输入错误，请重新输入")
 print("登陆成功")