save project

l.py

+
+username="damn"
+userpassword="511"
+while True:
+    name=input("请输入用户名")
+    password=input("请输入密码")
+    if name==username and passport==userpassword:
+        print("登陆成功")
+        break
+    if name!=username:
+        print("用户名错误")
+    if password!=userpassword:
+        print("密码错误") 
+print("huanying")
\ No newline at end of file