file braveNewWorld.py:

class alpha:
  def male(self, name, age):
    # do things
    return retval
  def child(self, name, age):
    # do things
    return other_retval
  # a dozen other defs

class beta(alpha):
  # a dozen defs

class gamma:
  def test(self):
    a = alpha()
    return a.male('John Doe', 20)