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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 to_ufo_blue_values(self, ufo, master):
 """Set postscript blue values from Glyphs alignment zones."""


    alignment_zones = master.alignmentZones
    blue_values = []
    other_blues = []
    for zone in sorted(alignment_zones):
        pos = zone.position
        size = zone.size
        val_list = blue_values if pos == 0 or size >= 0 else other_blues
        val_list.extend(sorted((pos, pos + size)))

    ufo.info.postscriptBlueValues = blue_values
    ufo.info.postscriptOtherBlues = other_blues