Säähavainnot

def get_forecast(previous_temperatures):
    forecast = previous_temperatures[:12]

    total_change = previous_temperatures[-1] - previous_temperatures[0]
    forecast = (t + total_change for t in forecast)

    # slope = total_change / len(previous_temperatures)
    # forecast = (t + slope * (i + 1) for i, t in enumerate(forecast))
    
    return forecast

def main():
    day_count = int(input(""))

    data = ([float(s) for s in input("").split(" ")] for _ in range(day_count))

    for day in data:
        forecast = get_forecast(day)

        print(" ".join(("?" if e is None else str(e)) for e in forecast))

main()

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED