Lista Flatten w Pythonie za pomocą Numpy Conatenate
import numpy as np
l = np.array([[1,2,3], [4,5,6], [7,8,9]])
print(list(np.concatenate(l)))
Outrageous Ostrich
import numpy as np
l = np.array([[1,2,3], [4,5,6], [7,8,9]])
print(list(np.concatenate(l)))