def get_keys_address(filename):

	address_dict = {}

	for event, elem in ET.iterparse(filename):
		if elem.tag in ['node', 'way']:
			for tag in elem.findall('tag'):
				k = tag.attrib['k']
				if 'addr' in k:
					sum_to_dict(address_dict, k)

	pprint.pprint(address_dict)
	return address_dict.keys()
def type_of_street_dict(filename):
	types = {}

	kalea = re.compile(r'(k|K)alea$')

	for event, elem in ET.iterparse(filename):
		if elem.tag in ['node', 'way']:
			for tag in elem.findall('tag'):
				k = tag.attrib['k']
				v = tag.attrib['v']
				if k == 'addr:street':
					if kalea.search(v):
						sum_to_dict(types, v.split()[-1])
					else:
						sum_to_dict(types, v.split()[0])
	print types
	pprint.pprint(types)
	return list(types.keys())