code: def interpolate_color(color1, color2, ratio):
      return tuple(
          interpolate(color1[i], color2[i], ratio) for i in range(3)
      )
  
imports: import pyglet.gl
  from sympy.core import S
label_desc: Use image node_id 15 for calling a global function with example usage: interpolate_color(color1, color2, ratio) and returns: tuple