def test_iterate_over_cells_and_neighbours():
mesh = HexagonalMesh(1, 2, 2)
for c_i in mesh.cells():
print("I am cell #{}.".format(c_i))
for c_j in mesh.neighbours[c_i]:
print("\tAnd I am its neighbour, cell #{}!".format(c_j))
def test_iterate_over_cells():
mesh = HexagonalMesh(1, 2, 2)
for c_i in mesh.cells():
print("This is cell #{}, I have neighbours {}.".format(c_i, mesh.neighbours[c_i]))