def serialized(self):
        to_ret = {}
        for group, requirements in self.items():
            to_ret[group] = [str(requirement) for requirement in requirements]
        return to_ret
def write():
	try:
		p = round(weather.pressure(),2)
		c = light.light()
		print('{"light": '+str(c)+', "pressure": '+str(p)+' }')
	except KeyboardInterrupt:
		pass