save project

diy1.py

 username="python"
 userpassword="000123451"
 while  True:
-    name=input("请输入户名")
-    passwerd =input("请输入密码")
-    if name==username and password==userpassword:
-        print("登录成功")   
-        break
-    elif name!=username:
-        print("用户名错误")
-    else:    
-        print("密码错误，重新输入")
+    if i>0:
+        name=input("请输入户名")
+        passwerd =input("请输入密码")
+        i -=1
+        if name==username and password==userpassword:
+            print("登录成功")   
+            break
+        elif name!=username:
+            print("用户名错误")
+        else:
+            print("密码错误，一万个小时再来")    
+            exit()
 print("欢迎进入")