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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 Pyramid(pos=(0, 0, 0), s=1, height=1, axis=(0, 0, 1), c="dg", alpha=1):
 """ Build a pyramid of specified base size `s` and `height`, centered at `pos`. """

    return Cone(pos, s, height, axis, c, alpha, 4)