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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_colors(n, cmap='viridis', start=0., stop=1., alpha=1., return_hex=False):
 """ Return n-length list of RGBa colors from the passed colormap name and alpha. Parameters n : int number of colors cmap : string name of a colormap start : float where to start in the colorspace stop : float where to end in the colorspace alpha : float opacity, the alpha channel for the RGBa colors return_hex : bool if True, convert RGBa colors to a hexadecimal string Returns ------- colors : list """

    colors = [cm.get_cmap(cmap)(x) for x in np.linspace(start, stop, n)]
    colors = [(r, g, b, alpha) for r, g, b, _ in colors]
    if return_hex:
        colors = rgb_color_list_to_hex(colors)
    return colors