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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 is_function_or_method(obj):
 """Check if an object is a function or method. Args: obj: The Python object in question. Returns: True if the object is an function or method. """

    return inspect.isfunction(obj) or inspect.ismethod(obj) or is_cython(obj)