Exercise 1, Task 10

The following code was used:

fwd 0.3
followline "bl" :($irdistleft < 0.2)|($irdistright < 0.2)|($drivendist > 1)
switch($condition)
case 1
followline "bl" :($drivendist > 0.5)
case 2
followline "br" :($drivendist > 0.5)
case 3
turn 180
followline "br" :($drivendist > 1)
endswitch
stop


The robot follows a line until it sees an obstacle on the left or on the right side and then goes on the left side or the right side of the line. If it moves forward 1m and doesn't find any object it will turn 180 degrees and go back the same distance.