save project

diy2.py

-username = "python"
-userpassword = "123456"
-while True:
-    name =input("请输入账号")
-    password=input("请输入密码")
-    if username==name and password==userpassword:
-       print("登陆成功")  
-       break
-    if name != username:
-       print("用户名不存在,请重新输入")   
-    if password != userpassword:
-       print("密码不存在,请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+i=3
+   username = "python"
+   userpassword = "123456"
+   while True:
+   if i<0:
+      name =input("请输入账号")
+      password=input("请输入密码")
+      i-=1
+      if username==name and password==userpassword:
+         print("登陆成功")  
+         break
+      if name != username:
+         print("用户名不存在,请重新输入")   
+      if password != userpassword:
+         print("密码不存在,请重新输入")
+         i<0:
+         else:
+            print("你已输错三次,请到我司持身份证件来解锁")
+            exit()
+         print("欢迎来到贝尔编程!")
\ No newline at end of file