In [3]:
x = [1,3,3] # list!
z = {1, 2, 3, 4, 5, 1, 2, 3, 2, 3} # set!

z


Out[3]:
set([1, 2, 3, 4, 5])

In [4]:
{'asdf': 10, 'fdsa': 20}


Out[4]:
{'asdf': 10, 'fdsa': 20}