임시

	def matrix_multiply(arr1, arr2):
	# Get the dimensions of the matrices
	rows_arr1, cols_arr1 = len(arr1), len(arr1[0])
	rows_arr2, cols_arr2 = len(arr2), len(arr2[0])
	# Check if the matrices can be multiplied
	if cols_arr1 != rows_arr2:
	raise ValueError("Number of columns in arr1 must be equal to the number of rows in arr2")
	# Initialize the result matrix with zeros
	result = [[0 for _ in range(cols_arr2)] for _ in range(rows_arr1)]
	# Transpose the second matrix for easier iteration
	arr2_transposed = list(map(list, zip(*arr2)))
	# Perform matrix multiplication
	for i in range(rows_arr1):
	for j in range(cols_arr2):
	result[i][j] = sum(x * y for x, y in zip(arr1[i], arr2_transposed[j]))
	return result

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