python2:
dict1 = { "name":"owen", "age": 18 }
dict2 = { "birthday": "1999-11-22", "height": 180 }
print(dict(dict1.items() + dict2.items()))
python3:
dict1 = { "name":"owen", "age": 18 }
dict2 = { "birthday": "1999-11-22", "height": 180 }
print(dict(list(dict1.items()) + list(dict2.items())))