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Exercise: Writing a Game

The main topics are:

  1. Variables
  2. Computer arithmetic
  3. Using and learning libraries
  4. Input and output
  5. Loops and choices

At the end we will have a Hangman game.


Python can remember things (variables -- think of algebra), so let's tell it to remember our secret word.

Create a script called on the PC using gedit and type the following into it to assign the word crocodile to secret:

secret = 'crocodile'

You can tell it to print something by saying print. Add the following line:

print secret

When you run this you would see the word crocodile printed on the Terminal.

You could add more print secret lines and you would see one crocodile printed for each line.

Python will remember what string you assigned to a variable until the script stops.

We aren't just restricted to strings, we can also remember numbers.

For example, add these two lines to your script:

number = 43
print number

Your overall script should now read:

secret = 'crocodile'
print secret
number = 43
print number

Copy it across to the phone:


Now run it by tapping and selecting Run with Terminal.

sl4a quickaction.png

You should see the following, if you don't put your hand up to get some help.


Topic attachments
I Attachment Action Size Date Who Comment
memory.pngpng memory.png manage 46 K 20 Jan 2012 - 03:39 Main.ian  
sl4a_quickaction.pngpng sl4a_quickaction.png manage 16 K 20 Jan 2012 - 03:35 Main.ian  
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Page Updated: 12 Dec 2012 by ian. © Victoria University of Wellington, New Zealand, unless otherwise stated