quiz.md

Data structures: Set, tuples

Question #0

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> a.append(5)
>>> len(a)

• 6
• 2
• 5

Question #1

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> b = a
>>> b

• 1
• [1, 2, 3, 4]
• [1]
• a

Question #2

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> a[2] = 10
>>> a

• [1, 2, 10, 4]
• [1, 2, 3, 4]
• [1, 10, 3, 4]
• [1, 2, 10, 10]

Question #3

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> a[-1]

• 4
• -1
• 2
• [4, 3, 2, 1]

Question #4

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> a[-3]

• 2
• -3
• [4, 3]

Question #5

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> a[0]

• 1
• [1]
• 2
• [1, 2, 3, 4]
• [1, 2]

Question #6

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> b = a
>>> a[2] = 10
>>> b

• [1, 2, 3, 4]
• [1, 2, 10, 4]
• 1
• b
• a

Question #7

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> a[1:3]

• [2, 3]
• [1, 2, 3]
• [1, 2]

Question #8

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> b = a
>>> a[2] = 10
>>> a

• [1, 2, 3, 4]
• [1]
• [1, 2, 10, 4]
• b
• a

Question #9

What do these lines print?

>>> a = [1, 2, 3, 4]
>>> len(a)

• 6
• 2
• 4
• 8