lst_1 = [1, 2, 3]
lst_2 = [4, 5, 6]
lst_3 = [7, 8, 9]
matrix = [lst_1, lst_2, lst_3]
print(matrix)
print(matrix[0])
print(matrix[1][2])
first_col = [row[1] for row in matrix]
print(first_col)
tup1 = ('1', 3, 6.76,'sss')
print(type(tup1))


giii1 = {'key': 'something', 'key2': 'something'}
print(type(giii1))
print(type(lst_1))
tet = 100.24
