### @export "first"
>>> things = ['a', 'b', 'c', 'd']
>>> print(things[1])
b
>>> things[1] = 'z'
>>> print(things[1])
z
>>> things
['a', 'z', 'c', 'd']
### @export "second"
>>> stuff = {'name': 'Zed', 'age': 39, 'height': 6 * 12 + 2}
>>> print(stuff['name'])
Zed
>>> print(stuff['age'])
39
>>> print(stuff['height'])
74
>>> stuff['city'] = "SF"
>>> print(stuff['city'])
SF
### @export "third"
>>> stuff[1] = "Wow"
>>> stuff[2] = "Neato"
>>> print(stuff[1])
Wow
>>> print(stuff[2])
Neato
### @export "fourth"
>>> stuff.pop('city')
'SF'
>>> stuff.pop(1)
'Wow'
>>> stuff.pop(2)
'Neato'
>>> stuff
{'name': 'Zed', 'age': 39, 'height': 74}
>>>