IGNORE THE EMPTY BOXES...

Consider this code. What is the value of the list x after execution.

def foo(y): for n in range(len(y)): y[n] = y[n] + 1

x=[1, 3, 5] foo(x)

		[1, 3, 5]
		[2., 4, 6]
		[0, 0, 0]
		[1, 1, 1]

How do you copy the contents of list p?

p = [10, 15.5, 13.2, 20.1]

		values[10] = p
		values = list(p)
		values[10] = p[10]
		all of the above

What is the result of this code?

values = [1991, 1875, 1980, 1965, 2000] values.sort()

		[1991, 1875, 1980, 1965, 2000]
		[2000, 1991, 1980, 1965, 1875]
		[2000, 1991, 1875, 1980, 1965]
		[1875, 1965, 1980, 1991, 2000]

Which creates an alias for p?

p = [10.00, 15.50, 13.25, 20.15]

		values[10] = p
		values = p
		values[10] = p[10]
		None of the above

What are the contents of the list after this executes?

states = ["Alaska", "Hawaii", "Florida", "Maine", "Ohio", "Florida"] states.remove("Florida")

		["Alaska", "Hawaii", "Maine", "Ohio", "Florida"]
		["Hawaii", "Hawaii", "Maine", "Ohio"]
		["Alaska", "Hawaii", "Florida", "Maine", "Ohio"]
		["Alaska", "Hawaii", "Florida", "Maine", "Ohio", "Florida"]

What is displayed when it runs?

values = [4, 12, 0, 1, 5] print(values[1])

		0
		1
		4
		12

.

What are the keys in f?

f = {"Apple": "Green", "Banana": "Yellow"}

		Apple and Banana
		Green and Yellow
		Apple, Green, Banana and Yellow
		The dictionary does not have any keys

Which of the following statements checks to see if the key 'Apple' is already in the dictionary named fruit? .

		if "Apple" in fruit:
		if "Apple" = (fruit):
		if fruit in "Apple":
		if fruit.contains("Apple"):

What is output by the following code segment?

values = ["Q", "W", "E", "R", "T", "Y"] print(values[2 : 4])

		["W", "E"]
		["W", "E", "R"]
		["E", "R"]
		["E", "R", "T"]

"For this, what value is at index 5? values = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]"

		5
		6
		7
		4

"What happens here? sum([1, 2, 3, 4, 5])"

		121
		16
		15
		14

What is output by the following code segment?

values = ["Q", "W", "E", "R", "T", "Y"] print(values[ -1 : ])

		["Y"]
		["T", "Y"]
		["Q", "u", "E", "R"]
		["E", "R", "T", "Y"]

____ returns the number of elements in list L.

		len(L)
		siz(L)
		length(L)
		size(L)

Which list method removes and returns the element at the end of the list.

		pop
		remove
		get
		append

"In Python, a ____ associates a set of keys with data values."

		string
		tuple
		list
		dictionary

"What is printed after executing the following code?

somelist = ["a", "b", "c", "x", "y", "z"] for i in range(0, len(somelist), 2) print(somelist[i], end = " ")

		abcxyz
		a b c x y z
		acy
		bcxz

Which statement gets the length of the list values?

		numValues = length(values)
		numValues = len(values)
		numValues = size(values)
		numValues = values.length

What is the difference between a list and a dictionary?

		a list is a superset of a dictionary
		a dictionary can access elements by position
		a list stores individual elements but a dictionary stores key/value pairs

		returns -1
		raises an exception
		returns an empty set
		returns None

What is output by the following code segment?

values = ["Q", "W", "E", "R", "T", "Y"] print(values[ 3 : ])

		["W", "E"]
		["R", "T", "Y"]
		["Q", "u", "E", "R"]
		["E", "R", "T", "Y"]

What is displayed when this runs?

values = [1, 2, 3, 4, 5] moreValues = values moreValues[3] = 6 print(values)

		[1, 2, 3, 4, 5]
		[1, 2, 6, 4, 5]
		[1, 2, 3, 6, 5]
		[1, 2, 3, 4, 5, 6]

What is displayed when it is executed?

x = {} x["Hello"] = [4, 5] x["Hello"].append("World") print(x["Hello"])

		Hello
		HelloWorld
		[4, 5]
		[4, 5, "World"]

"Given the following what are the contents of the list fullNames?

firstNames = ["Joe", "Jim", "Betsy", "Shelly"] lastNames = ["Jones", "Patel", "Hicks", "Fisher"] fullNames = firstNames + LastNames

		["Joe", "Jones", "Jim", "Patel", "Betsy", "Hicks", "Shelly", "Fisher"]
		["Joe Jones", "Jim Patel", "Betsy Hicks", "Shelly Fisher"]
		["Joe", "Jim", "Betsy", "Shelly", "Jones", "Patel", "Hicks", "Fisher"]
		["Joe", "Jim", "Betsy", "Shelly"]

"The items in a dictionary are stored in sequential order that can be accessed by index, like with a list."

True

False

"When you use a collection of unique items, _____"

		lists are more efficient than sets
		sets are more efficient that lists