code: def get_base_layout(figs):
      """
      Generates a layout with the union of all properties of multiple
      figures' layouts
  
      Parameters:
      -----------
              fig : list(Figures)
                      List of Plotly Figures
      """
      layout = {}
      for fig in figs:
          if not isinstance(fig, dict):
              fig = fig.to_dict()
          for k, v in list(fig["layout"].items()):
              layout[k] = v
      return layout
  
imports: import copy
  import numpy
  import pandas
  import plotly.offline
  import plotly.figure_factory
  from plotly.graph_objs import Figure, Scatter, Line
  from plotly.subplots import make_subplots
  from .None import themes
  from .None import auth, ta
  from .colors import normalize, to_rgba
  from .utils import check_kwargs, deep_update, dict_replace_keyword, kwargs_from_keyword, merge_dict, is_list, make_list
label_desc: Use image node_id 7 for calling a global function with example usage: get_base_layout(figs) and returns: layout