y drawn ones.

markerfirst : bool, default: True
    If *True*, legend marker is placed to the left of the legend label.
    If *False*, legend marker is placed to the right of the legend label.

reverse : bool, default: False
    If *True*, the legend labels are displayed in reverse order from the input.
    If *False*, the legend labels are displayed in the same order as the input.

    .. versionadded:: 3.7

frameon : bool, default: :rc:`legend.frameon`
    Whether the legend should be drawn on a patch (frame).

fancybox : bool, default: :rc:`legend.fancybox`
    Whether round edges should be enabled around the `.FancyBboxPatch` which
    makes up the legend's background.

shadow : bool, default: :rc:`legend.shadow`
    Whether to draw a shadow behind the legend.

framealpha : float, default: :rc:`legend.framealpha`
    The alpha transparency of the legend's background.
    If *shadow* is activated and *framealpha* is ``None``, the default value is
    ignored.

facecolor : "inherit" or color, default: :rc:`legend.facecolor`
    The legend's background color.
    If ``"inherit"``, use :rc:`axes.facecolor`.

edgecolor : "inherit" or color, default: :rc:`legend.edgecolor`
    The legend's background patch edge color.
    If ``"inherit"``, use take :rc:`axes.edgecolor`.

mode : {"expand", None}
    If *mode* is set to ``"expand"`` the legend will be horizontally
    expanded to fill the axes area (or *bbox_to_anchor* if defines
    the legend's size).

bbox_transform : None or `~matplotlib.transforms.Transform`
    The transform for the bounding box (*bbox_to_anchor*). For a value
    of ``None`` (default) the Axes'
    :data:`~matplotlib.axes.Axes.transAxes` transform will be used.

title : str or None
    The legend's title. Default is no title (``None``).

title_fontproperties : None or `~matplotlib.font_manager.FontProperties` or dict
    The font properties of the legend's title. If None (default), the
    *title_fontsize* argument will be used if present; if *title_fontsize* is
    also None, the current :rc:`legend.title_fontsize` will be used.

title_fontsize : int or {'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large'}, default: :rc:`legend.title_fontsize`
    The font size of the legend's title.
    Note: This cannot be combined with *title_fontproperties*. If you want
    to set the fontsize alongside other font properties, use the *size*
    parameter in *title_fontproperties*.

alignment : {'center', 'left', 'right'}, default: 'center'
    The alignment of the legend title and the box of entries. The entries
    are aligned as a single block, so that markers always lined up.

borderpad : float, default: :rc:`legend.borderpad`
    The fractional whitespace inside the legend border, in font-size units.

labelspacing : float, default: :rc:`legend.labelspacing`
    The vertical space between the legend entries, in font-size units.

handlelength : float, default: :rc:`legend.handlelength`
    The length of the legend handles, in font-size units.

handleheight : float, default: :rc:`legend.handleheight`
    The height of the legend handles, in font-size units.

handletextpad : float, default: :rc:`legend.handletextpad`
    The pad between the legend handle and text, in font-size units.

borderaxespad : float, default: :rc:`legend.borderaxespad`
    The pad between the axes and legend border, in font-size units.

columnspacing : float, default: :rc:`legend.columnspacing`
    The spacing between columns, in font-size units.

handler_map : dict or None
    The custom dictionary mapping instances or types to a legend
    handler. This *handler_map* updates the default handler map
    found at `matplotlib.legend.Legend.get_legend_handler_map`.

draggable : bool, default: False
    Whether the legend can be dragged with the mouse.
ap