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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _TypecheckDecorator(subject=None, **kwargs):
 """Dispatches type checks based on what the subject is. Functions or methods are annotated directly. If this method is called with keyword arguments only, return a decorator. """

  if subject is None:
    return _TypecheckDecoratorFactory(kwargs)
  elif inspect.isfunction(subject) or inspect.ismethod(subject):
    return _TypecheckFunction(subject, {}, 2, None)
  else:
    raise TypeError()