A mechanical engineer, an electrical engineer and a software engineer
are travelling in an old Fiat 500 when all of the sudden the car
backfires and comes to a halt.
The mechanical engineer says "Ah! It's probably a problem with the
valves, or the piston!".
The electrical engineer says "Nonsense! It's most probably a
problem with the spark plugs or the battery!".
The software engineer says "How about we all get out of the car,
and get back in again, It might work...".
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