Challenge
Countdown with holds
Print a launch countdown from T-10 to T-0 with range(10, -1, -1), adding a hold line at every second listed in holds, then scrub the launch at a given second with break, or print Liftoff! at the end.
Results for “countdown”
2 results
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Challenge
Live T-minus
…instead of a number typed by hand, then turn it into a countdown() that counts up with T+ after launch.