mass = [[0,9,14], [14,3,19], [4, 13, 19]]
count = 0
summ = 0
for i in mass:
print(*i)
for e in i:
if e > 10:
count += 1
summ += e
print(summ/count)
# --- 2
text = "таблица"
print(text[2]+text[4]+text[0]+text[1]) # бита
print(text[2]+text[1]+text[3]) # бал