CPM9.1-9.3 Quiz Review

In two-dimensional lists, the _____________ is always listed first.

• dimension

• row

• initializer list

• column

In Python arrays are also called ______.

• elements

• rows

• lists

• string

What is in element [0][0]?

• pretzel

• undervalue

• rational

• windmill

What is in element [3][1]?

• honey

• iron

• rational

• effort

Two-dimensional lists are used to store data that can be represented in a _____________.

• number

• string

• grid

• row

Consider the following code:

grid = []

grid.append (["frog", "cat", "hedgehog"])

grid.append (["fish", "emu", "rooster"])

print (grid[0][1])

What is output?

• frog

• cat

• hedgehog

• fish

It is not possible for an array to hold an array.

• True

• False

Consider the following code:

grid = []

grid.append (["frog", "cat", "hedgehog"])

grid.append (["fish", "emu", "rooster"])

print (grid)

How many rows does this array have?

• 1

• 2

• 3

• 4

To iterate through (access all the entries of) a two-dimensional arrays you need _________ for loops. (Enter the number of for loops needed).

An individual piece of data stored in a list is called a(n) _______.