Created
July 28, 2015 08:24
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Apparently += is unsafe in python
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| >>> l = [] | |
| >>> l = l + 'foo' | |
| Traceback (most recent call last): | |
| File "<stdin>", line 1, in <module> | |
| TypeError: can only concatenate list (not "str") to list | |
| >>> l += 'foo' | |
| >>> l | |
| ['f', 'o', 'o'] |
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