#!/usr/local/bin/python2
def join(funcs, main=None):
  def f(*args, **kwargs):
    results = [func(*args, **kwargs) for func in funcs]
    return results if main is None else results[main]
  return f

func = join((int, str, bool), main=None)
for i in xrange(500000):
  r = func(5)
print r