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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 reset(self):
 """Reset all the information of this widget."""

        self.filename = None
        self.groups = []

        self.tabs.clear()

        self.setEnabled(False)
        self.button_color.setEnabled(False)
        self.button_del.setEnabled(False)
        self.button_apply.setEnabled(False)
        self.action['load_channels'].setEnabled(False)
        self.action['save_channels'].setEnabled(False)