if __name__ == '__main__': | |
d = collections.OrderedDict([('a', 1), ('c', 3), ('b', 2)]) | |
print(d) | |
d2 = collections.OrderedDict([('__C__', v) if k == 'c' else (k, v) for k, v in d.items()]) | |
print(d2) |
输出：
OrderedDict([('a', 1), ('c', 3), ('b', 2)])
OrderedDict([('a', 1), ('__C__', 3), ('b', 2)])
参考：https://stackoverflow.com/questions/12150872/change-key-in-ordereddict-without-losing-order
