diff options
| author | Adam <adam@adambard.com> | 2013-06-28 21:15:33 -0700 | 
|---|---|---|
| committer | Adam <adam@adambard.com> | 2013-06-28 21:15:50 -0700 | 
| commit | 04cedf98446f124d4d0bc15b9a7341015d2707ca (patch) | |
| tree | 12d980a9998adcc515c2b1701b45d9fa3db8c2f2 | |
| parent | e1424579e76958cdb7eda4efb5ceaa214d322681 (diff) | |
Fixes #15: Set literals
| -rw-r--r-- | python.html.markdown | 17 | 
1 files changed, 11 insertions, 6 deletions
diff --git a/python.html.markdown b/python.html.markdown index 8c56a3a9..3b5075ae 100644 --- a/python.html.markdown +++ b/python.html.markdown @@ -217,18 +217,23 @@ filled_dict.setdefault("five", 6) #filled_dict["five"] is still 5  # Sets store ... well sets  empty_set = set()  # Initialize a set with a bunch of values -filled_set = set([1,2,2,3,4]) # filled_set is now set([1, 2, 3, 4]) +some_set = set([1,2,2,3,4]) # filled_set is now set([1, 2, 3, 4]) + +# Since Python 2.7, {} can be used to declare a set +filled_set = {1 2 2 3 4} # => {1 2 3 4}  # Add more items to a set -filled_set.add(5) # filled_set is now set([1, 2, 3, 4, 5]) +filled_set.add(5) # filled_set is now {1, 2, 3, 4, 5}  # Do set intersection with & -other_set = set([3, 4, 5 ,6]) -filled_set & other_set #=> set([3, 4, 5]) +other_set = set{3, 4, 5, 6} +filled_set & other_set #=> {3, 4, 5} +  # Do set union with | -filled_set | other_set #=> set([1, 2, 3, 4, 5, 6]) +filled_set | other_set #=> {1, 2, 3, 4, 5, 6} +  # Do set difference with - -set([1,2,3,4]) - set([2,3,5]) #=> set([1, 4]) +{1,2,3,4} - {2,3,5} #=> {1, 4}  # Check for existence in a set with in  2 in filled_set #=> True  | 
