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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 copy_figure_to_clipboard(figure='gcf'):
 """ Copies the specified figure to the system clipboard. Specifying 'gcf' will use the current figure. """
    
    try:
        import pyqtgraph as _p
    
        # Get the current figure if necessary        
        if figure is 'gcf': figure = _s.pylab.gcf() 
        
        # Store the figure as an image
        path = _os.path.join(_s.settings.path_home, "clipboard.png")
        figure.savefig(path)
        
        # Set the clipboard. I know, it's weird to use pyqtgraph, but 
        # This covers both Qt4 and Qt5 with their Qt4 wrapper!
        _p.QtGui.QApplication.instance().clipboard().setImage(_p.QtGui.QImage(path))
        
    except:         
        print("This function currently requires pyqtgraph to be installed.")