ravel(), transpose(), resize()

>>>t = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]

>>>x = np.array(t)

>>>type(x)

>>>x.shape

(3, 4)

>>>x.ravel()

array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])

>>>x.ravel().shape

(12,)

>>>x.shape = (6, 2)

>>>x

array([[1, 2],

[3, 4],

[5, 6],

[7, 8],

[9, 10],

[11, 12]])

>>>x.transpose()

array([[1, 3, 5, 7, 9, 11],

[2, 4, 6, 8, 10, 12]])

>>>x.resize((2, 6))

>>>x

array([[1, 2, 3, 4, 5, 6],

[7, 8, 9, 10, 11, 12]