Python 3.5.2+ (default, Sep 22 2016, 12:18:14) 
[GCC 6.2.0 20160927] on linux
Type "copyright", "credits" or "license()" for more information.
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
Traceback (most recent call last):
  File "/home/brent/teaching/150/lectures/S17/gerbils.py", line 15, in <module>
    gerbils = gerbil*3
NameError: name 'gerbil' is not defined
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
Traceback (most recent call last):
  File "/home/brent/teaching/150/lectures/S17/gerbils.py", line 17, in <module>
    animals = animals + gerbils
TypeError: can only concatenate list (not "str") to list
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> list('hello')
['h', 'e', 'l', 'l', 'o']
>>> "banana".split("n")
['ba', 'a', 'a']
>>> "banana".split()
['banana']
>>> "banana".split('')
Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    "banana".split('')
ValueError: empty separator
>>> "Hello, how are you today".split(' ')
['Hello,', 'how', 'are', 'you', 'today']
>>> "n".join(['ba', 'a', 'a'])
'banana'
>>> " -> ".join(['DOG', 'DOT', 'COT', 'CAT'])
'DOG -> DOT -> COT -> CAT'
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
[1, 2]
>>> a = [1,2,3]
>>> b = [1,2,3]
>>> a == b
True
>>> a is b
False
>>> a.pop()
3
>>> a
[1, 2]
>>> b
[1, 2, 3]
>>> a == b
False
>>> a = b
>>> a
[1, 2, 3]
>>> b
[1, 2, 3]
>>> a == b
True
>>> a is b
True
>>> a.pop()
3
>>> a
[1, 2]
>>> b
[1, 2]
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
[1, 2]
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> animal_release(animals)
>>> 
========= RESTART: /home/brent/teaching/150/lectures/S17/gerbils.py =========
[1, 2]
>>> animals
['dog', 'frog', 'dolphin', 'spider', 'hog', 'gerbil', 'gerbil', 'gerbil']
>>> animal_release(animals)
>>> animals
['dog', 'frog']
>>>