save project

diy1.py

 username="python"
 userpassword="123456"
-name=input("请输入你的账户名:")
-password=input("请输入你的密码:")
-if username==name and userpassword==password:
-    print("登陆成功！")
-else:
-    print("登陆失败！")
\ No newline at end of file
+while True:
+    name=input("请输入你的账户名:")
+    password=input("请输入你的密码:")
+    if username==name and userpassword==password:
+        print("登陆成功！")
+        break
+    else:
+        print("登陆失败，请重新输入账户和密码！")