Проверка Python, если элемент в 2D -списке
mylist = [[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]]
print(any(6 in sublist for sublist in mylist))
# True
Kodi4444
mylist = [[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]]
print(any(6 in sublist for sublist in mylist))
# True