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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 highlight_channels(self, l, selected_chan):
 """Highlight channels in the list of channels. Parameters selected_chan : list of str channels to indicate as selected. """

        for row in range(l.count()):
            item = l.item(row)
            if item.text() in selected_chan:
                item.setSelected(True)
            else:
                item.setSelected(False)