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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 provide(self, name):
 """Gets the value registered with ``name`` and determines whether the value is a provider or a configuration setting. The ``KeyError`` is raised when the ``name`` is not found. The registered value is interpreted as a provider if it's callable. The provider is called with a single argument, the current :class:`Container` object. Returns the return value of a provider or the value itself in case the value is not callable. :param name: The name of the provider or configuration setting. """

        rv = self[name]
        return rv(self) if callable(rv) else rv