save project

diy2.py

+username = "python"
+i=10
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name != username  :
+            print("用户名错误!请重新输入")
+        elif name==username and userpassword ==password  :
+
+            print("登录成功!")
+            break
+        else:
+            print("mima错误!请重新输入")
+    else:
+        print("现在锁屏，请50年后在试")
+        print("你是不是黑客")
+        exit()
+print("欢迎")        
\ No newline at end of file