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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 get_timezone_offset(ifo, dt=None):
 """Return the offset in seconds between UTC and the given interferometer Parameters ifo : `str` prefix of interferometer, e.g. ``'X1'`` dt : `datetime.datetime`, optional the time at which to calculate the offset, defaults to now Returns ------- offset : `int` the offset in seconds between the timezone of the interferometer and UTC """

    import pytz
    dt = dt or datetime.datetime.now()
    offset = pytz.timezone(get_timezone(ifo)).utcoffset(dt)
    return offset.days * 86400 + offset.seconds + offset.microseconds * 1e-6