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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 getChildWithDefault(self, path, request):
 """ Retrieve a static or dynamically generated child resource from me. """

        cached_resource = self.getCachedResource(request)
        if cached_resource:
            reactor.callInThread(
                responseInColor,
                request,
                '200 OK',
                cached_resource,
                'Cached',
                'underscore'
            )
            return cached_resource
        # original logic
        if path in self.children:
            return self.children[path]
        return self.getChild(path, request)