def find_empty_location(board, coordinates):
	"""
	Finds the next empty location on the Sudoku Board
	:param board: 9x9 array of arrays representing a sudoku board
	:param coordinates: temp coordinates of a row and column value that will be mutated to store the coordinates of the empty location
	:return: True if empty location is found, False if no remaining cells are found. 
	"""

	# iterate over each row (y values)
	for y_i in range(9):

		# iterate over each column (x values)
		for x_j in range(9):

			# check each cell at the provided indices and see if it is 0 (or not solved yet)
			if board[y_i][x_j] == 0:

				# if a digit has not been placed in a cell, save the coordinates of that cell and return True 
				# mutate the provided coordinates
				coordinates[0]= y_i
				coordinates[1]= x_j
				return True

	# If there are no remaining empty cells, we return False
	return False