如何找到一个numpy数组的多个均匀分布的方法？

import numpy as np

arr = np.linspace(0, 1, 10)
print(arr)

[0.         0.11111111 0.22222222 0.33333333 0.44444444 0.55555556
 0.66666667 0.77777778 0.88888889 1.        ]

import numpy as np

arr = np.linspace(-1, 1, 20)
print(arr)

[-1.         -0.89473684 -0.78947368 -0.68421053 -0.57894737 -0.47368421
 -0.36842105 -0.26315789 -0.15789474 -0.05263158  0.05263158  0.15789474
  0.26315789  0.36842105  0.47368421  0.57894737  0.68421053  0.78947368
  0.89473684  1.        ]