On 24 January 2013 21:11, Oscar Benjamin <oscar.j.benja...@gmail.com> wrote: >>>> l = [{'a': 'xx', 'b': 'yy', 'c': 'zz'}, {'a': 'dd', 'b': 'ee', 'c': 'ff'}] >>>> dict(d.values()[:2] for d in l) > {'xx': 'zz', 'dd': 'ff'}
Python doesn't guarantee any ordering of items in a dictionary; {'a': 'xx', 'b': 'yy', 'c': 'zz'}.values()[:2] may not return ['xx', 'zz'] in different Python implementations or future versions (though it seems to work consistently in CPython 2.7). See http://docs.python.org/2/library/stdtypes.html#dict.items. -- Robert K. Day robert....@merton.oxon.org -- http://mail.python.org/mailman/listinfo/python-list