Numpy Dif
x = np.array([1, 2, 4, 7, 0])
np.diff(x)
array([ 1, 2, 3, -7])
np.diff(x, n=2)
array([ 1, 1, -10])
Homeless Hippopotamus
x = np.array([1, 2, 4, 7, 0])
np.diff(x)
array([ 1, 2, 3, -7])
np.diff(x, n=2)
array([ 1, 1, -10])