CS Python Fundamentals Quiz 9 PRACTICE

Python uses the term list to refer to a data structure that can hold multiple values of the same type. In many other programming languages, a list is known as a(an) ________.

• loop

• class

• array

• boolean

Which statement accurately describes the structure of a 2-D list?

• column first, then row

• row first, then column

• index first, then element

• element first, then index

Which of the following best describes a 2-D array?

• a string of unlimited length

• a collection of primitive data types

• an enhanced for loop

• an array that contains arrays

Which of the following math concepts most closely represents the way that data is stored in a 2-D list?

• a coordinate plane

• a system of equations

• a series of transformations

• a quadratic function

Here is a 2-D array called randumb.

Match the value to the correct 2-D list position.

• randumb[1][1]

• worker

• randumb[0][0]

• hair

• randumb[1][2]

• chord

• randumb[0][3]

• mask

• randumb[2][3]

• family

What is the primary purpose for using two loops when working with 2-D lists?

• To print out the contents in the form of a matrix

• To search for a specific value within the list

• To traverse both the rows and columns

• To sum the values in a given column

Given the code shown here, what is output?

• 18

• 11

• 13

• 20

Given the code shown here, how many columns does the array have?

• 3

• 4

• 5

• 6

Given the code shown here, what is the output?

• catfish

• bass

• bluegill

• carp