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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 data_segments(paths, channel, warn=True):
 """Returns the segments containing data for a channel **Requires:** |LDAStools.frameCPP|_ A frame is considered to contain data if a valid FrData structure (of any type) exists for the channel in that frame. No checks are directly made against the underlying FrVect structures. Parameters paths : `list` of `str` a list of GWF file paths channel : `str` the name to check in each frame warn : `bool`, optional emit a `UserWarning` when a channel is not found in a frame Returns ------- segments : `~gwpy.segments.SegmentList` the list of segments containing data """

    segments = SegmentList()
    for path in paths:
        segments.extend(_gwf_channel_segments(path, channel, warn=warn))
    return segments.coalesce()