code: def random_value(min=0, max=15):
      return random.randrange(min, max, 1)
  
file_path: pygal/demo/moulinrouge/__init__.py
imports: import pickle
  import random
  import string
  from base64 import urlsafe_b64decode
  from base64 import urlsafe_b64encode
  from flask import Flask, Response, render_template, request
  import pygal
  from pygal.config import Config
  from pygal.etree import etree
  from pygal.style import parametric_styles, styles
  from pygal.util import cut
label_desc: Use image node_id 3 for calling a global function with example usage: random_value(min, max) and returns: random