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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 _add_plots_to_output(out, data):
 """Add CNVkit plots summarizing called copy number values. """

    out["plot"] = {}
    diagram_plot = _add_diagram_plot(out, data)
    if diagram_plot:
        out["plot"]["diagram"] = diagram_plot
    scatter = _add_scatter_plot(out, data)
    if scatter:
        out["plot"]["scatter"] = scatter
    scatter_global = _add_global_scatter_plot(out, data)
    if scatter_global:
        out["plot"]["scatter_global"] = scatter_global
    return out