code: def _(obj, parameter="t"):
      l = [
          parametric_region_list(side, parameter)[0]
          for side in obj.sides
      ]
      return l
  
imports: from functools import singledispatch
  from sympy.core.numbers import pi
  from sympy.functions.elementary.trigonometric import tan
  from sympy.simplify import trigsimp
  from sympy.core import Basic, Tuple
  from sympy.core.symbol import _symbol
  from sympy.solvers import solve
  from sympy.geometry import Point, Segment, Curve, Ellipse, Polygon
  from sympy.vector import ImplicitRegion
label_desc: Use image node_id 6 for calling a global function with example usage: _(obj, parameter) and returns: l