问访问对象并同时更改其值

EN

import numpy as np
class Marker(object):
    def __init__(self):
        self.name: str
        self.location: np.ndarray
        self.quality: np.ndarray

data = Marker()
data.name = "sample"
data.location = np.array[1,2,3]
data.quality = 0.1

for l in data:
    l.location = signal.filtfilt(*ba, l.location, axis= 0)