7. Concrete Objects Layer

The functions in this chapter are specific to certain Python object types. Passing them an object of the wrong type is not a good idea; if you receive an object from a Python program and you are not sure that it has the right type, you must perform a type check first; for example. to check that an object is a dictionary, use PyDict_Check(). The chapter is structured like the ``family tree'' of Python object types.

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