The following example shows how to discover and experiment with built-in types.
Example 3.1. More built-in types
>>> import types>>> types.ListType is list
True >>> def f():
... pass ... >>> f.__class__ is types.FunctionType
True >>> >>> class MyList(list):
... pass ... >>> class MyFunction(types.FunctionType):
... pass ... Traceback (most recent call last): File "<stdin>", line 1, in ? TypeError: type 'function' is not an acceptable base type >>> dir(types)
['BooleanType', 'DictProxyType', 'DictType', ..]
| | The
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| | Some well known types have another name as well. |
| |
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| | The type
of a function object is |
| | Some built-in types can be subtyped. |
| | Some cannot. |
| | More types than you can shake a stick at. |