Created
March 25, 2013 23:00
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| >>> dict(map(lambda x: [x["k"], x], [{"k":"1", "v":1}, {"k":"2","v":2}])) | |
| {'1': {'k': '1', 'v': 1}, '2': {'k': '2', 'v': 2}} |
Python 2.7 以降なら辞書内包表記も使えます
>>> {x.pop("k"): x for x in [{"k":"1", "v":1}, {"k":"2","v":2}]}
{'1': {'v': 1}, '2': {'v': 2}}
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map + lambda よりもリスト内包の方が良いです