Year 7 Python iteration

• Computing
• Lower Secondary (Key Stage 3)

Name a variable?

What is the string?

What is the integer?

Key learning objective:

Understand what iteration is and why we use it.

Iteration is the act of repeating something, an example is a loop where we do something a number of times then stop.

Activity - Stand up and do what the teacher asks you to do.

Predict what this code does?

Click here, was your prediction correct?

range(3) 

0

1

2

Will output 0,1 and 2

Make the following changes:

- Change the print statement to something else.

- What does changing the 5 do?

- What happens if we change item for i and print i ?

Can you make:

- A for loop to count up to 10

- Print finished after the loop has ended

- Can you do a rocket count down 5,4,3,2,1 blast-off?

What is iteration?

Why is it useful?

What is the name of the iteration function in Python?