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December 10, 2015 20:08
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| # {}.get()'s second argument only kicks in if there's no key. | |
| # None, '', or falsy values are perfectly okay. | |
| # If you actually want ot fall back to a default, use or. | |
| In [1]: data = {'red':None} | |
| In [2]: data.get('red','backup') | |
| In [3]: data.get('red') or 'backup' | |
| Out[3]: 'backup' | |
| In [4]: data.get('blue','backup') | |
| Out[4]: 'backup' |
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