Saving list in a list

[snippsat]

measurements is return a NumPy Array

>>> import numpy as np
>>>
>>> n1 = np.array([0, 1])
>>> n1
array([0, 1])
>>> type(n1)
<class 'numpy.ndarray'>

So will work like a normal Python list,but you can convert.

>>> import numpy as np
>>> 
>>> n1 = np.array([0, 1])
>>> n2 = np.array([1, 2])
>>> lst = []
>>> # add list 
>>> lst.append(list(n1))
>>> lst.append(list(n2))
>>> lst
[[0, 1], [1, 2]]

On a finish list.

>>> import numpy as np
>>> 
>>> n1 = np.array([0, 1])
>>> n2 = np.array([1, 2])
>>> lst = []
>>> lst.append(n1)
>>> lst.append(n2)
>>> lst
[array([0, 1]), array([1, 2])]
>>> 
>>> new_lst = [list(i) for i in lst]
>>> new_lst
[[0, 1], [1, 2]] 

If it's a NumPy Array with serval item use .tolist.

>>> import numpy as np
>>> 
>>> m = np.array([[0,1], [2,3]])
>>> m
array([[0, 1],
       [2, 3]])
>>> m.tolist()
[[0, 1], [2, 3]]