scores = [12, 7, 15, 4, 18, 9]
celebrated = []
for score in scores:
    if score > 10:
        celebrated.append(score)
print(celebrated)


print(scores[1:4])
print(scores[:3])
print(scores[-3:])


ranked = sorted(scores)
print(ranked)
print(scores)


rounds = [[12, 7], [15, 4], [18, 9]]
all_scores = []
for round_scores in rounds:
    for score in round_scores:
        all_scores.append(score)
print(all_scores)


seconds = 3
while seconds > 0:
    print(seconds)
    seconds = seconds - 1
print('start the round')