Chapter 3 Part 2 Practice

num = [1,2,3,4,2,6,4,7,2,]

print(num.count(2))

• 0

• 1

• 2

• 3

Which method should be used to add an item to the end of a list?

• insert

• pop

• append

• extend

list1 = ['a', 'c', 'd', 'e']

To add a 'b' in the second position use which of the following:

• insert

• pop

• append

• extend

list1 = ['a', b', 'c'] list2 = [ 'd', 'e', 'f']

Which method performs the same action as list1 + list2?

• insert

• pop

• append

• extend

list1 = [7,3,2,1,3]

print(list.sort( ))

• [1,2,3,7]

• [1,2,3,3,7]

• [7,3,3,2,1]

• [7,3,1,2]

list1 = [7,5,3,2,6,3]

print(list1.reverse( ))

• [2,3,3,5,6,7]

• [7,6,5,3,3,2]

• [3,6,2,3,5,7]

• [6,2,3,5,7]

Which of the following is the correct list comprehension for

s = [ ]

for i in range(10):

s = s + [i]

• s = [i for i in range(10)]

• s = [for i in range(10) i]

Which list comprehension could create this list?

r = [3, 4, 2, 6, 1, 3]

• s = [random.randint(1,6) for i in range(6)]

• s = [i + 1 for i in range(10)]

teams = ['Duke', 'Purdue', 'Indiana', 'Michigan']

Which list comprehension will make a list of the first letter of each team?

• s = [i[0] for i in teams]

• s = [i[1] for i in teams]

• s = [i0 for i in teams]

• s = [i for i in teams]

Try and except blocks can be used with any module that might throw an exception, like index or remove.

• True

• False