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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 plot_feature(feature, cell):
    '''Plot a feature
    '''
    fig = pl.figure()
    ax = fig.add_subplot(111)

    if cell is not None:
        try:
            histogram(cell, feature, ax)
        except ValueError:
            pass
        stylize(ax, cell.name, feature)
    return fig