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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 S2playground(extent):
 	""" 	Return a segmentlist identifying the S2 playground times within the 	interval defined by the segment extent. 	Example: 	[segment(874000013, 874000613), segment(874006383, 874006983)] 	"""

	lo = int(extent[0])
	lo -= (lo - 729273613) % 6370
	hi = int(extent[1]) + 1
	return segments.segmentlist(segments.segment(t, t + 600) for t in range(lo, hi, 6370)) & segments.segmentlist([extent])