Buenas noches, me llamo lupita. tengo quince años y soy de uruguay. me gustan las fiestas de la víspera de año nuevo. en uruguay hay < < there is > > una costumbre para limpiar el espíritu de las personas y para empezar < < begin > > el año bien.
what tradition or custom is lupita referring to?
changing shoes and clothes
dancing with your father at midnight
throwing water out the window
eating twelve grapes

The tradition to which Lupita refers is:

Cleansing energies on New Years Eve.

The text in Spanish mentions that Lupita is fifteen years old and that she is from Uruguay, it also mentions that she likes New Year's Eve parties, especially one that is used to cleanse people's spirits.

The Uruguayan tradition to which Lupita refers is to throw a bucket of water out the window on the night of December 31, this is done so that the thrown water takes away all the bad energies of the person, with what which will be able to receive the new year renewed and with a positive attitude.

If you want to learn more about New Year in Spanish, you can visit the following link: link

Throwing water out the window

Explanation: In Uruguay, it is usual for people to throw a bucket of water on the street to clear the path of the year that begins and thousands of bits of old year calendars fly from the windows.