aws rds describe-db-engine-versions --engine aurora-postgresql --query '*[].[EngineVersion]' --output text --region ap-northeast-1
['VER_10_11', 'VER_10_12', 'VER_10_13', 'VER_10_14', 'VER_10_16', 'VER_10_17', 'VER_10_18', 'VER_10_19', 'VER_10_20', 'VER_10_21', 'VER_10_4', 'VER_10_5', 'VER_10_6', 'VER_10_7', 'VER_11_11', 'VER_11_12', 'VER_11_13', 'VER_11_14', 'VER_11_15', 'VER_11_16', 'VER_11_17', 'VER_11_18', 'VER_11_19', 'VER_11_20', 'VER_11_21', 'VER_11_4', 'VER_11_6', 'VER_11_7', 'VER_11_8', 'VER_11_9', 'VER_12_10', 'VER_12_11', 'VER_12_12', 'VER_12_13', 'VER_12_14', 'VER_12_15', 'VER_12_16', 'VER_12_17', 'VER_12_18', 'VER_12_19', 'VER_12_4', 'VER_12_6', 'VER_12_7', 'VER_12_8', 'VER_12_9', 'VER_13_10', 'VER_13_11', 'VER_13_12', 'VER_13_13', 'VER_13_14', 'VER_13_15', 'VER_13_3', 'VER_13_4', 'VER_13_5', 'VER_13_6', 'VER_13_7', 'VER_13_8', 'VER_13_9', 'VER_14_10', 'VER_14_11', 'VER_14_12', 'VER_14_3', 'VER_14_4', 'VER_14_5', 'VER_14_6', 'VER_14_7', 'VER_14_8', 'VER_14_9', 'VER_15_2', 'VER_15_3', 'VER_15_4', 'VER_15_5', 'VER_15_6', 'VER_15_7', 'VER_16_0', 'VER_16_1', 'VER_16_2', 'VER_16_3', 'VER_9_6_11', 'VER_9_6_12', 'VER_9_6_16', 'VER_9_6_17', 'VER_9_6_18', 'VER_9_6_19', 'VER_9_6_22', 'VER_9_6_8', 'VER_9_6_9', '__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__jsii_declared_type__', '__jsii_type__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', 'aurora_postgres_full_version', 'aurora_postgres_major_version', 'of']
