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/dictionaries.py =======
>>> zoo
{'A20': 'koala', 'S12': 'aardvark', 'B6': 'dingo', 'BASEMENT': 'hyena'}
>>> zoo['B6']
'dingo'
>>> zoo['aardvark
    
SyntaxError: EOL while scanning string literal
>>> zoo['aardvark']
Traceback (most recent call last):
  File "<pyshell#3>", line 1, in <module>
    zoo['aardvark']
KeyError: 'aardvark'
>>> zoo['K19'] = 'hyena'
>>> zoo
{'A20': 'koala', 'K19': 'hyena', 'S12': 'aardvark', 'B6': 'dingo', 'BASEMENT': 'hyena'}
>>> zoo['A20'] = 'hyena'
>>> zoo
{'A20': 'hyena', 'K19': 'hyena', 'S12': 'aardvark', 'B6': 'dingo', 'BASEMENT': 'hyena'}
>>> zoo.keys()
dict_keys(['A20', 'K19', 'S12', 'B6', 'BASEMENT'])
>>> (zoo.keys())[1]
Traceback (most recent call last):
  File "<pyshell#9>", line 1, in <module>
    (zoo.keys())[1]
TypeError: 'dict_keys' object does not support indexing
>>> for key in zoo.keys():
	print key
	
SyntaxError: Missing parentheses in call to 'print'
>>> for key in zoo.keys():
	print(key)

	
A20
K19
S12
B6
BASEMENT
>>> range(5)
range(0, 5)
>>> zoo.values()
dict_values(['hyena', 'hyena', 'aardvark', 'dingo', 'hyena'])
>>> len(zoo)
5
>>> 'B6' in zoo
True
>>> for key in zoo:
	print(zoo[key] + " is in " + key)

	
hyena is in A20
hyena is in K19
aardvark is in S12
dingo is in B6
hyena is in BASEMENT
>>> 
======= RESTART: /home/brent/teaching/150/lectures/S17/dictionaries.py =======
>>> frequency_counts("banana!!")
{'b': 1, '!': 2, 'n': 2, 'a': 3}
>>> frequency_counts("")
{}
>>> frequency_counts("mississippi cats")
{'p': 2, 's': 5, 'c': 1, 'm': 1, 'a': 1, ' ': 1, 'i': 4, 't': 1}
>>> frequency_counts("MississipPi Cats")
{'p': 1, 's': 5, 'C': 1, 'a': 1, ' ': 1, 'M': 1, 'P': 1, 'i': 4, 't': 1}
>>> "!!!".lower()
'!!!'
>>>