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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 _get_from_c_api():
 """dictproxy does exist in previous versions, but the Python constructor refuses to create new objects, so we must be underhanded and sneaky with ctypes. """

    from ctypes import pythonapi, py_object

    PyDictProxy_New = pythonapi.PyDictProxy_New
    PyDictProxy_New.argtypes = (py_object,)
    PyDictProxy_New.restype = py_object

    # To actually create new dictproxy instances, we need a class that calls
    # the above C API functions, but a subclass would also bring with it some
    # indirection baggage.  Let's skip all that and have the subclass's __new__
    # return an object of the real dictproxy type.
    # In other words, the `dictproxy` class being created here is never
    # instantiated and never does anything.  It's a glorified function.
    # (That's why it just inherits from `object`, too.)
    class dictproxy(object):
        """Read-only proxy for a dict, using the same mechanism Python uses for
        the __dict__ attribute on objects.

        Create with dictproxy(some_dict).  The original dict is still
        read/write, and changes to the original dict are reflected in real time
        via the proxy, but the proxy cannot be edited in any way.
        """

        def __new__(cls, d):
            if not isinstance(d, dict):
                # I suspect bad things would happen if this were not true.
                raise TypeError("dictproxy can only proxy to a real dict")

            return PyDictProxy_New(d)

    # Try this once to make sure it actually works.  Because PyPy has all the
    # parts and then crashes when trying to actually use them.
    # See also: https://bugs.pypy.org/issue1233
    dictproxy(dict())

    # And slap on a metaclass that fools isinstance() while we're at it.
    return _add_isinstance_tomfoolery(dictproxy)