code: def margin(t=None, r=None, b=None, l=None):
      """
      Function `margin()` is deprecated.
      Please, use a number or list of numbers to specify margins (see description of the parameter used).
  
      """
      print(
          "WARN: The margin() is deprecated and will be removed in future releases.\n"
          "      Please, use a number or list of numbers to specify margins (see description of the parameter used)."
      )
  
      return [t, r, b, l]
  
file_path: lets-plot/python-package/lets_plot/plot/theme_.py
imports: from .core import FeatureSpec
label_desc: Use image node_id 7 for calling a global function with example usage: margin(t, r, b, l) and returns: list