Created
November 13, 2015 19:02
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| class mydefaultdict(dict): | |
| def __init__(self, default, **kwargs): | |
| super(mydefaultdict, self).__init__(**kwargs) | |
| self.default = default | |
| def __getitem__(self, item): | |
| try: | |
| return super(mydefaultdict, self).__getitem__(item) | |
| except KeyError: | |
| val = self.default(item) | |
| self[item] = val | |
| return val |
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https://gist.github.com/msemelman/7fd64ec2e3eb3781df69