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0 pointsrecursive9y ago0 comments

> I like lambda a, b: a + b syntax better than lambda a_b: a_b[0] + a_b[1]

It already works this way.

    Python 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 17:54:52) [MSC v.1900 32 bit (Intel)] on win32
    Type "help", "copyright", "credits" or "license" for more information.
    >>> add = lambda a, b: a + b
    >>> add(1, 2)
    3

> I prefer map/reduce/filter to return lists rather than iterable

You can produce a list from any iterable by passing it to `list()`. You cannot take a materialized list and make it lazy though.

> I prefer dict.keys/values/items to return sets/lists rather than iterables, unless I call dict.iter[keys/values/items]

Why? Sets are mutable. What happens when you mutate dict.values? It doesn't make sense.