Created
April 10, 2013 22:48
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defaultdict example
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| >>> from collections import defaultdict | |
| >>> dd = defaultdict(str) | |
| >>> dd | |
| defaultdict(<type 'str'>, {}) | |
| >>> dd['asd'] | |
| '' | |
| >>> int(dd['asd'] or 0) | |
| 0 | |
| >>> dd['aaa']=123 | |
| >>> int(dd['aaa'] or 0) | |
| 123 | |
| >>> int(dd['aaaa'] or 0) | |
| 0 | |
| >>> |
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