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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 set_widgets(self):
 """Set widgets on the Exposure Layer From Browser tab."""

        self.tvBrowserExposure_selection_changed()

        # Set icon
        exposure = self.parent.step_fc_functions1.selected_value(
            layer_purpose_exposure['key'])
        icon_path = get_image_path(exposure)
        self.lblIconIFCWExposureFromBrowser.setPixmap(QPixmap(icon_path))