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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _on_new_location(self, form):
 """Set a new desired location entered in the pop-up form."""

        self._desired_longitude = float(form.data["long"])
        self._desired_latitude = float(form.data["lat"])
        self._desired_zoom = 13
        self._screen.force_update()