Signature:
plt.figure(num=None,    figsize=None,    dpi=None,    facecolor=None,    edgecolor=None,    frameon=True,    FigureClass=<class 'matplotlib.figure.Figure'>,    clear=False,    **kwargs,)
Docstring:
Create a new figure, or activate an existing figure.

Parameters
----------
num : int or str or `.Figure`, optional
    A unique identifier for the figure.

    If a figure with that identifier already exists, this figure is made active and returned. An integer refers to the ``Figure.number`` attribute, a string refers to the figure label.

    If there is no figure with the identifier or *num* is not given, a new figure is created, made active and returned.  

   If *num* is an int, it will be used for the ``Figure.number`` attribute, otherwise, an auto-generated integer value is used (starting at 1 and incremented  for each new figure). 
   
   If *num* is a string, the figure label and the window title is set to this value.

figsize : (float, float), default: :rc:`figure.figsize` Width, height in inches.

dpi : float, default: :rc:`figure.dpi`    The resolution of the figure in dots-per-inch.

facecolor : color, default: :rc:`figure.facecolor`
    The background color.

edgecolor : color, default: :rc:`figure.edgecolor`
    The border color.

frameon : bool, default: True
    If False, suppress drawing the figure frame.

FigureClass : subclass of `~matplotlib.figure.Figure`
    Optionally use a custom `.Figure` instance.

clear : bool, default: False
    If True and the figure already exists, then it is cleared.

tight_layout : bool or dict, default: :rc:`figure.autolayout`
    If ``False`` use *subplotpars*. If ``True`` adjust subplot
    parameters using `.tight_layout` with default padding.
    When providing a dict containing the keys ``pad``, ``w_pad``,
    ``h_pad``, and ``rect``, the default `.tight_layout` paddings
    will be overridden.

constrained_layout : bool, default: :rc:`figure.constrained_layout.use`
    If ``True`` use constrained layout to adjust positioning of plot
    elements.  Like ``tight_layout``, but designed to be more
    flexible.  See
    :doc:`/tutorials/intermediate/constrainedlayout_guide`
    for examples.  (Note: does not work with `add_subplot` or
    `~.pyplot.subplot2grid`.)


**kwargs : optional
    See `~.matplotlib.figure.Figure` for other possible arguments.

Returns
-------
`~matplotlib.figure.Figure`
    The `.Figure` instance returned will also be passed to
    new_figure_manager in the backends, which allows to hook custom
    `.Figure` classes into the pyplot interface. Additional kwargs will be
    passed to the `.Figure` init function.

Notes
-----
If you are creating many figures, make sure you explicitly call
`.pyplot.close` on the figures you are not using, because this will
enable pyplot to properly clean up the memory.

`~matplotlib.rcParams` defines the default values, which can be modified
in the matplotlibrc file.
File:      d:\programdata\anaconda3\lib\site-packages\matplotlib\pyplot.py
Type:      function