: If there is no path left, check if the van can move straight ahead .
By mastering this level, you have learned that sometimes the most efficient code is the one that knows when to do nothing (wait) rather than forcing an action. rapid router level 48 solution verified
def cross_road(): while light_state() == "r": wait() move() while light_state() == "g": move() wait() : If there is no path left, check
The second bridge is even narrower than the first one. Move slowly and carefully, using the router's stabilizers to maintain balance. rapid router level 48 solution verified