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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_line_style(line):
 """Get the style dictionary for matplotlib line objects"""

    style = {}
    style['alpha'] = line.get_alpha()
    if style['alpha'] is None:
        style['alpha'] = 1
    style['color'] = color_to_hex(line.get_color())
    style['linewidth'] = line.get_linewidth()
    style['dasharray'] = get_dasharray(line)
    style['zorder'] = line.get_zorder()
    return style