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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_cytoband_maps(names=[]):
 """Load all cytoband maps [55600000, 58500000, 'gpos50'] [56100000, 59000000, 'gpos50'] """

    if names == []:
        names = get_cytoband_names()
    return {name: get_cytoband_map(name) for name in names}