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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 remove_marker(self, marker):
 """ Removes a marker from the panel :param marker: Marker to remove :type marker: pyqode.core.Marker """

        self._markers.remove(marker)
        self._to_remove.append(marker)
        if hasattr(marker, 'decoration'):
            self.editor.decorations.remove(marker.decoration)
        self.repaint()