def compare_h(new, high):
	"""
	Compare the latest temperature with the highest temperature.
	If higher, replace it. If not, remain the same.

	:param new: Integer, new!=EXIT, The lasted temperature input
	:param high: Integer, high!=EXIT, the highest temperature of all time
	:return: high
	"""
	if new > high:
		high = new
		return high
	else:
		high += 0
		return high