a = [1, 2, 3, 4, 5] # リスト内包表記 squares = [x + 3 for x in a] print squares

from collections import OrderedDict od = OrderedDict() # キーの挿入順を記録する od['foo'] = 1 od['bar'] = 2 od['hoge'] = 3 od['piyo'] = 4 for value in od.values(): print value