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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_target_extraction_context(self, build_file_path: str) -> dict: """Return a build file parser target extraction context. The target extraction context is a build-file-specific mapping from builder-name to target extraction function, for every registered builder. """

        extraction_context = {}
        for name, builder in Plugin.builders.items():
            extraction_context[name] = extractor(name, builder,
                                                 build_file_path, self)
        return extraction_context