python中怎么对list中元素进行有放回抽样？

numpy.random.choice

import numpy as np
a = ['u', 'v', 'w', 'x', 'y', 'z']
# 有放回抽样
sample_wt = np.random.choice(a, 5, replace=True)
print(sample_wt)
# 无放回抽样
sample_wo = np.random.choice(a, 5, replace=False)
print(sample_wo)