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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_description(self):
 """Return human readable description error description. This description should explain everything that went wrong during deserialization. """

        return ", ".join([
            part for part in [
                "missing: {}".format(self.missing) if self.missing else "",
                (
                    "forbidden: {}".format(self.forbidden)
                    if self.forbidden else ""
                ),
                "invalid: {}:".format(self.invalid) if self.invalid else "",
                (
                    "failed to parse: {}".format(self.failed)
                    if self.failed else ""
                )
            ] if part
        ])