s1 = 'Foo's2 = 'Boo's3 = 'Foo's4 = 'Duh'print("We have a collection of types {}.".format(", ".join(set([s1,s2,s3,s4]))))
Standard input is empty
We have a collection of types Duh, Foo, Boo.
The brand new service which powers Ideone!
Widget for compiling and running the source code in a web browser!