save project

de.py

+username=1234
+userpassword=1234
+while True:
+    name=input("输入账号")
+    password=input("输入密码")
+    if username == name and userpassword == password:
+        print("登录成功")
+        break
+    if username != name:
+        print("账号错误")
+        continue
+    if userpassword != password :
+        print("密码错误")
+print("欢迎来到贝尔乐园")
\ No newline at end of file