# 2D Lists challenge

In this lesson you will use what you have learnt about 2D lists to complete a challenging project.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

## Question 3

Q1.What will the output be when this program is executed?

1/3

Q2.If the user enters Bob when prompted, what will be the output?

2/3

Q3.Is this a definition for a 2D array or a 2D list? A __________ must be a predefined fixed size and each item held must be of the same data type.

3/3

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

## Question 3

Q1.What will the output be when this program is executed?

1/3

Q2.If the user enters Bob when prompted, what will be the output?

2/3

Q3.Is this a definition for a 2D array or a 2D list? A __________ must be a predefined fixed size and each item held must be of the same data type.

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# 2D Lists Challenge

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 3

Q1.Work out all of the possible ways that you can win at noughts and crosses. Write the total number below:

1/3

Q2.True or False: A function always returns a value.

2/3

Q3.A 2D list is created for a noughts and crosses board. What code will be needed to assign a value to location 5?

3/3

Quiz:

# 2D Lists Challenge

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 3

Q1.Work out all of the possible ways that you can win at noughts and crosses. Write the total number below:

1/3

Q2.True or False: A function always returns a value.

2/3

Q3.A 2D list is created for a noughts and crosses board. What code will be needed to assign a value to location 5?

3/3

# Lesson summary: 2D Lists challenge

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Dance