Python 以确定的数量1'随机初始化np数组；s和0'；s

我想用一定数量的1和0随机初始化一个数组。下面的代码是我所有的。我只是设法用随机数1和0来初始化它，但我想这样做，例如（知道矩阵是10x10）用25个1和75个0

matrix = np.random.randint(2, size=(10,10))

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简单：按顺序创建所需元素的数组，然后随机移动：

# start with 100 zeroes
arr = np.zeros((100,))
# change 25 of them to 1s
arr[:25] = 1
# shuffle the array to put all the elements in random positions
np.random.shuffle(arr)
# reshape to final desired shape
arr = arr.reshape((10,10))

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简单：按顺序创建所需元素的数组，然后随机移动：

# start with 100 zeroes
arr = np.zeros((100,))
# change 25 of them to 1s
arr[:25] = 1
# shuffle the array to put all the elements in random positions
np.random.shuffle(arr)
# reshape to final desired shape
arr = arr.reshape((10,10))