save project

diy1.py

+i=3
 username = "python"    
 username = "python"    
 userpassword = "123456"
 userpassword = "123456"
 while True:
 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 username==name and userpassword==password:
         if username==name and userpassword==password:
             print("登录成功！")
             print("登录成功！")
             break
             break
@@ -11,6 +14,9 @@ while True:
             continue
             continue
         if userpassword!=password:
         if userpassword!=password:
             print("密码输入有误，请重新输入！")
             print("密码输入有误，请重新输入！")
+    else:
+        print("账号被锁定")
+        exit()
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")