1>>>import numpy as np
2>>> x = np.ndarray(3, dtype=object)3>>> x[0]=['1','2','3']4>>> x[1]=['4','5','6']5>>> x[2]=['7','8','9']6>>>print(x)7[list(['1','2','3'])list(['4','5','6'])list(['7','8','9'])]8>>> y = np.array(list(x))9>>>print(y)10[['1''2''3']11['4''5''6']12['7''8''9']]