code: def compose(f, g):
      """Chain functions"""
      fun = lambda *args, **kwargs: f(g(*args, **kwargs))
      fun.__name__ = "%s o %s" % (f.__name__, g.__name__)
      return fun
  
imports: from __future__ import division
  import re
  from decimal import Decimal
  from math import ceil, cos, floor, log10, pi, sin
label_desc: Use image node_id 21 for calling a global function with example usage: compose(f, g) and returns: fun