from enum import Enum


class Direction(str, Enum):
	""" Specifies the sign of a co-ordinate axis. """ # noqa: E501
	"""# Increasing numbers. """ # noqa: E501
	POSITIVE = 'positive'
	"""# Decreasing numbers. """ # noqa: E501
	NEGATIVE = 'negative'

	def __str__(self) -> str:
		return str(self.value)
