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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 fig2x(figure, format):
 """Returns svg from matplotlib chart"""


    # Save svg to file like object svg_io
    io = StringIO()
    figure.savefig(io, format=format)

    # Rewind the file like object
    io.seek(0)

    data = io.getvalue()
    io.close()

    return data