>> from collections import OrderedDict #必須の記載
>> dict = OrderedDict()
>> dict["a"] = 1
>> dict["b"] = 5
>> dict["c"] = 3
>> dict
OrderedDict([('a', 1), ('b', 5), ('c', 3)])
>> dict.items()
odict_items([('a', 1), ('b', 5), ('c', 3)])
>> dict.values()
odict_values([1, 5, 3])
>> for k in dict:
print(k)
a
b
c
>> for k in dict.items():
print(k)
('a', 1)
('b', 5)
('c', 3)
>> for k, v in dict.items():
print(k, v)
a 1
b 5
c 3