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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 include_in(self, dist):
 """Ensure feature and its requirements are included in distribution You may override this in a subclass to perform additional operations on the distribution. Note that this method may be called more than once per feature, and so should be idempotent. """


        if not self.available:
            raise DistutilsPlatformError(
                self.description + " is required, "
                "but is not available on this platform"
            )

        dist.include(**self.extras)

        for f in self.require_features:
            dist.include_feature(f)