Zones

Your code will probably need to look for different markers depending on the zone your robot starts in. Whilst you could have different files for each zone, there's also a property on the robot object for this.

Python

R.zone will be equal to the start zone of the robot and will have a value from 0 to 3.

Here's an example:

if R.zone == 3:
    print "Do something!"
else:
    print "Do something else!"

Blockly

You can find the zone block in the Movement section.