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Question 1:

Dictionaries contain key-value pairs. Values are like a list'sindexes.

	True
	False

Question 2:

Dictionaries do not consider the key-value pairs to be in anycertain order.

	True
	False

Question 3:

What is the syntax for writing a dictionary in Python?

	[ key : value ]
	( key, value )
	{ value : key }
	{ key : value }

Question 4:

When it comes to being able to add, remove, or change values,dictionaries are _____

	unchangeable
	molten
	mutable
	immutable

Question 5:

Given this dictionary: user{'name' : 'Bob', 'username' : 'bob42'}
What happens when you try to access the dictionary like this:user['age']

	A KeyError message is displayed
	The user is prompted to enter Bob's age
	Bob's age is displayed
	A default value is set because there is no 'age' key in thedictionary

Question 6:

What method provides a way to avoid a KeyError message byreturning a result when attempting to access keys that may not bepresent in a dictionary?

	items()
	values()
	has()
	get()

Question 7:

What method provides a way to set a default key-value pair whenwanting to access a key that may not be present in adictionary?

	items()
	default()
	has()
	setdefault()

Question 8:

What expression would give the same result as thefollowing?
if 'age' not in user:
user['age'] = 'unknown'

	user.setdefault('age', 'unknown')
	user.add('age', 'unknown')
	if get('age') is False set to 'unknown'
	user = { 'age' : 'unknown' }

Question 9:

What module and function can be used to "pretty print"dictionary values?

	pprint.print()
	pprint.pprint()
	pretty.print()
	print.pprint()

Question 10:

What type of data does the method items() return when called ona dictionary?

	A list of the key and value
	A list of the only the values
	A list like dict_keys with the keys
	A collection of tuples consisting of key and value pairs

Question 11:

Given this dictionary: user{'name' : 'Bob', 'username' : 'bob42'}
What structure will allow us to loop through and access both thekeys and values in the dictionary?

	for v in user.keys()
	for k, v in user.items():
	for 'name' in user:
	if v in user: