Two-Dimensional Lists

Two-Dimensional Lists

Data structures in two dimensions

Multiple Select

In this lesson I am going to learn to ... ?

• Define array and list

• State characteristics of 1D and 2D data structures

• Use indexing to access elements of a 2D data structure

• Use nested loops to iterate over a 2D data structure

Multiple Choice

An array is a data _______ that allows you to store ________ values under a single __________

• structure

  multiple

  identifier

• container

  data

  name

• type

  integer

  variable

• structure

  single

  name

Fill in the Blank

What item is stored at list[8]?

Fill in the Blank

How would you access the number 12 in this list?

Fill in the Blank

What item is stored at table[2][1]?

Multiple Choice

How would access the number 34 in this table?

• table[2][3]

• table[3][2]

• table[4][3]

• table[3][3]

Multiple Select

Which of these statements correctly assign a 2-D list?

• numbers = [[1,2,3],[4,5,6],[7,8,9]]

• numbers = [1,2,3,4,5,6,7,8,9]

• numbers = [[1],[2],[3]]

• numbers = [[1,2,3],4,5,6,[7,8,9]]

Multiple Choice

Which iteration would successfully display all the items in the table list displayed in a tabular format?

Multiple Choice

What would be displayed by:

print(classData[3][0])

• °Daisy"

• "Charley"

• 0.89

• 1

Multiple Choice

Which statement would display 0.93?

• print(classData[2][3])

• print(classData[3][2])

• print(classData[3][4])

• print(classData[4][3])

Multiple Select

In this lesson I have learned to ...

• Define array and list

• GIve characteristics of 1D and 2D data structures

• Use indexing to access items in a 2D data sructure

• Use a for loop to iterate over a 2D data structure

Open Ended

Thinking Hard

Write your own exam question based on today’s lessons.

Answer it.

(press Shift+Enter to take a new line ...)

Poll

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Poll

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