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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 simple_beam_splitter(ax, p0, size=2.54, width=0.1, alpha=0,
 format=None, **kwds):

 r"""Draw a simple beam splitter."""

    if format is None: format = 'k-'
    a = size/2
    b = width/2
    x0 = [a, -a, -a, a, a]
    y0 = [b, b, -b, -b, b]

    cur_list = [(x0, y0)]
    cur_list = rotate_and_traslate(cur_list, alpha, p0)

    for curi in cur_list: ax.plot(curi[0], curi[1], format, **kwds)