Creating sets
Distinct values
Adding values to sets
Mixing types in sets
Accessing sets
Removing set elements
Removing lists from sets
Removing tuples from sets
Fixed false case
No problem removing nonexistant elements
iterating over set
Set intersect
set union
subsetOf
set diff
no order in sets
mutable sets
Removing elements from maps
Adding tuples

Note the a -> b = Tuple2(a,b) syntax
Adding lists of tuples to maps

Note ++=