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Rephrase dict.fromkeys() news.

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Guido van Rossum 2002-11-27 13:10:40 +00:00
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Misc/NEWS
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@ -270,10 +270,11 @@ Core and builtins
an optional argument that specifies the characters to strip. For
example, "Foo!!!?!?!?".rstrip("?!") -> "Foo".
- Dictionaries have a new class method, fromkeys(iterable, value=None).
It constructs a new dictionary with keys taken from the iterable and
all values set to a single value. It is used for building membership
tests and for removing duplicates from sequences.
- There's a new dictionary constructor (a class method of the dict
class), dict.fromkeys(iterable, value=None). It constructs a
dictionary with keys taken from the iterable and all values set to a
single value. It can be used for building sets and for removing
duplicates from sequences.
- Added a new dict method pop(key). This removes and returns the
value corresponding to key. [SF patch #539949]