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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 hexagon_coordinates(i, j, k):
 """ Computes coordinates of the constituent hexagons of a hexagonal heatmap. Parameters i, j, k: enumeration of the desired hexagon Returns ------- A numpy array of coordinates of the hexagon (unprojected) """


    signature = ""
    for x in [i, j, k]:
        if x == 0:
            signature += "0"
        else:
            signature += "1"
    deltas = hexagon_deltas[signature]
    center = numpy.array([i, j, k])
    return numpy.array([center + x for x in deltas])