Errata - 21B

[psychemedia]

06.3 Keeping track of distance.ipynb - 3.1.4 Activity

Code says :
# Graceful forwards left
tank_steering.on(-30, 20)

# Tighter turn forwards and to the right
tank_steering.on(-30, 20)

Same code for two different claimed actions

[psychemedia]

03.1 Program control using for loops

Code in part 1.5:

    tank_turn.on_for_rotations(-100,
                               SpeedPercent(75), 1.6.2)

Should just take 2 arguments: .on_for_rotations(speed, rotations)

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3.2 Program control, 2.4 - incrorrect blue background