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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 validate(self, definition, version=None, strict=False):
 """validate checks a kubernetes resource definition Args: definition (dict):
 resource definition version (str):
 version of kubernetes to validate against strict (bool):
 whether unexpected additional properties should be considered errors Returns: warnings (list), errors (list):
 warnings are missing validations, errors are validation failures """

        if not HAS_KUBERNETES_VALIDATE:
            raise KubernetesValidateMissing()

        errors = list()
        warnings = list()
        try:
            if version is None:
                try:
                    version = self.version['kubernetes']['gitVersion']
                except KeyError:
                    version = kubernetes_validate.latest_version()
            kubernetes_validate.validate(definition, version, strict)
        except kubernetes_validate.utils.ValidationError as e:
            errors.append("resource definition validation error at %s: %s" % ('.'.join([str(item) for item in e.path]), e.message))  # noqa: B306
        except VersionNotSupportedError as e:
            errors.append("Kubernetes version %s is not supported by kubernetes-validate" % version)
        except kubernetes_validate.utils.SchemaNotFoundError as e:
            warnings.append("Could not find schema for object kind %s with API version %s in Kubernetes version %s (possibly Custom Resource?)" %
                            (e.kind, e.api_version, e.version))
        return warnings, errors