def update_temp():
global temp1
global temp_
knowledge = Knowledge()
weather_json = knowledge.weather_knowledge()
location_json = knowledge.location_knowledge()
temp_ = weather_json['main']['temp']
location_temp = location_json['state_prov']
if temp1 != temp_:
temp1 = temp_
text = int(temp1 - 273)
temp.config(text=location_temp + "City\n%d oC" % text)
temp.after(50000, update_greeting)
