Hello All,
Found an odd behavior I'd never known about today, not sure if it's a bug or known. Python 3.4.4 (anaconda). True, False, 0, 1 can all be used as dictionary keys. But Apparently True and 1 hash to the same item and False and 0 hash to the same item, so they can easily overwrite (which I spent a while banging my head over today). In other words: In[1]: d = {True: 'a', False: 'b'} d[0] = 'z' d[False] Out[1]: 'z' I understand that True and False are sub-types of ints, but it's not clear to me why (i.e. certainly didn't feel intuitive) that they would be treated the same as keys. Relatedly, if this is a desired behavior, any advice one how best to work with dictionaries when one wants "True" and 1 to be different? I'm working on a function that accepts arguments that may be "True" or 1 (meaning very different things) and am seeking a pythonic solution... -- https://mail.python.org/mailman/listinfo/python-list