List and Tuples

Which of these is the best description of a list in Python?

• A list is a collection of data that has an order and can be changed

• A list is a lot of variables

• A list is used for shopping

• A list is a collection of data that cannot hold duplicated data and cannot be changed

Which of these is the correct code for creating a list of names?

• nameList = John, Harry, Jesse, John, Harry, Harry

• nameList = ("John", "Harry", "Jesse", "John", "Harry", "Harry")

• nameList = ["John", "Harry", "Jesse", "John", "Harry", "Harry"]

• nameList = [John, Harry, Jesse, John, Harry, Harry]

What would this code show on the screen?

• 7

• 6

• 5

• 4

• An error

For tuples and list which is correct?

• List and tuples both are mutable.

• List is mutable whereas tuples are immutable.

• List and tuples both are immutable.

• List is immutable whereas tuples are mutable

people = ["John", "Rob", "Bob"]
print (people[-1])
What would this result be?

• John
• Rob
• Bob
• Error

Which is a correctly declared tuple?

• a = ("orange", "yellow", "red")

• a = "orange", "yellow", "red"

• a = ["orange", "yellow", "red"]

• a = "orangeyellowred"

Which line of code will give you an error? b = (4, 5, 6, 7, 8)

• b[2]

• b[0] = 1

• b[:3]

• b[-2]

How would you refer to 3 in the following tuple? c = ((7,5),(5,8),(0,-1),(4,3))

• c[0][0]

• c(3)

• c[8]

• c[3][1]

Which of the following will produce an error? e = (1,2,3)

• e = (4, 5, 6)

• e = e + 4

• e = e + (4, 5, 6)

• e = e + (4,)

Given a = "Hello world" what does list(a) do?

• creates a list separated by word (white spaces)

• creates a list separated by character

• nothing

• creates a blank list named a