Adam Lanier wrote: >> class Foo(object): >> def __init__(self, *args): >> self.params = [arg if isinstance(arg, Bar) else Bar(arg) for >> arg in args] >> > > Interesting, I'm not familiar with this idiom... > > These are two idioms actually:
1. a "list comprehension":
>>> newlist = [return_something(item) for item in some_iterable]
2. where return_something(item) is a "conditional assignment":
>>> result = a if condition_is_true else b
/W
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