def exportValue(self, vf, value):
        m = StrStrHashMap(value)
        keysAndValues = []
        for i in m.keys():
            keysAndValues.append(i)
            keysAndValues.append(m[i])
def write():
	try:
		p = round(weather.pressure(),2)
		c = light.light()
		print('{"light": '+str(c)+', "pressure": '+str(p)+' }')
	except KeyboardInterrupt:
		pass