如何将csv文件读取到numpy ndarray

import numpy as np
import csv

data = []
with open('filename.csv', 'r') as file:
    csv_data = csv.reader(file)
    for row in csv_data:
        data.append(row)

array_data = np.array(data)

import numpy as np
import csv

data = []
with open('filename.csv', 'r') as file:
    csv_data = csv.reader(file)
    for row in csv_data:
        data.append(row)

array_data = np.array(data)