Question

Допоможіть будь ЛАСОЧКА!
Python

Answer 1

tabl = [[1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12], [13, 14, 15, 16, 17, 18]]

average = sum(tabl[0]) / len(tabl[0])

print(average)