Dictionary merge

#!/usr/bin/python

egg = [ (1, 545985180000, 'device_id_hao', 'vol', None, 12.0),
          (1, 545985180000, 'device_id_hao', 'temp', None, 38.0),
          (2, 545985300000, 'device_id_hao', 'vol', None, 220.0),
         (2, 545985300000, 'device_id_hao', 'temp', None, 39.0)
 ]

 merged = dict()
 for i in egg:
     key = i[0]
     key_1 = i[1]
     key_2 = i[2]
     key_3 = i[4]
     if merged.get(key) or merged.get(key_1) or merged.get(key_2):  # if merged has this key, extend the list
         merged[key].extend(i[3:])
     else:
		 if merged.get(key_3)
			del merged[key_3]
         merged[key] = list(i)

 print("merged.values :",list(merged.values()))