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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 cfitsio_version(asfloat=False):
 """ Return the cfitsio version as a string. """

    # use string version to avoid roundoffs
    ver = '%0.3f' % _fitsio_wrap.cfitsio_version()
    if asfloat:
        return float(ver)
    else:
        return ver