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| author | Guido van Rossum <guido@python.org> | 2002-11-27 13:10:40 (GMT) |
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| committer | Guido van Rossum <guido@python.org> | 2002-11-27 13:10:40 (GMT) |
| commit | c0d3f4e445cd74933e298fc0fe793805cf15d6eb (patch) | |
| tree | ea826ed445fe5ea0a24776527c1e83a8245928a0 /Misc/NEWS | |
| parent | caf17be1b7886f4c51558fb10ec8a51483102d38 (diff) | |
| download | cpython-c0d3f4e445cd74933e298fc0fe793805cf15d6eb.zip cpython-c0d3f4e445cd74933e298fc0fe793805cf15d6eb.tar.gz cpython-c0d3f4e445cd74933e298fc0fe793805cf15d6eb.tar.bz2 | |
Rephrase dict.fromkeys() news.
Diffstat (limited to 'Misc/NEWS')
| -rw-r--r-- | Misc/NEWS | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -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] |