如何将矩阵插入到另一个矩阵的中间

import numpy as np

def insert_matrix(target_matrix, insert_matrix, insert_row, insert_col):
    target_rows, target_cols = target_matrix.shape
    insert_rows, insert_cols = insert_matrix.shape
    new_rows = target_rows + insert_rows
    new_cols = target_cols + insert_cols

    new_matrix = np.zeros((new_rows, new_cols))

    new_matrix[:insert_row, :insert_col] = target_matrix[:insert_row, :insert_col]
    new_matrix[insert_row:insert_row+insert_rows, insert_col:insert_col+insert_cols] = insert_matrix
    new_matrix[insert_row+insert_rows:, insert_col+insert_cols:] = target_matrix[insert_row:, insert_col:]

    return new_matrix

# 示例调用
target_matrix = np.array([[1, 2], [3, 4]])
insert_matrix = np.array([[5, 6], [7, 8]])
insert_row = 1
insert_col = 1
result_matrix = insert_matrix(target_matrix, insert_matrix, insert_row, insert_col)
print(result_matrix)