def get_integer_for_label(label):
	"""
	:param label: string
		label in dataset
	:return: int
		int representation of that label
	"""
	labels = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '-', 'div', 'times', '(', ')']
	return labels.index(label)