


"""simple docstring"""


import os







def  __snake_case       (   UpperCamelCase__ = "input.txt"	)      ->		int:







		"""simple docstring"""





		with open(os.path.join(os.path.dirname(UpperCamelCase__	) ,			UpperCamelCase__	)	) as input_file:
				A					       = [
				    [int(UpperCamelCase__	) for element in line.split(','	)]
				    for line in input_file.readlines()
				]

		A					       = len(UpperCamelCase__	)
		A					       = len(matrix[0]	)

		A					       = [[-1 for _ in range(UpperCamelCase__	)] for _ in range(UpperCamelCase__	)]
		for i in range(UpperCamelCase__	):
				A					       = matrix[i][0]

		for j in range(1 ,			UpperCamelCase__	):
				for i in range(UpperCamelCase__	):
						A					       = minimal_path_sums[i][j - 1] + matrix[i][j]

				for i in range(1 ,			UpperCamelCase__	):
						A					       = min(
						    minimal_path_sums[i][j] ,			minimal_path_sums[i - 1][j] + matrix[i][j]	)

				for i in range(rows - 2 ,			-1 ,			-1	):
						A					       = min(
						    minimal_path_sums[i][j] ,			minimal_path_sums[i + 1][j] + matrix[i][j]	)

		return min(minimal_path_sums_row[-1] for minimal_path_sums_row in minimal_path_sums	)


if __name__ == "__main__":
	print(F"""{solution() = }""")









"""simple docstring"""


from unittest.mock import Mock, patch

from file_transfer.send_file import send_file







@patch('socket.socket'	)
@patch('builtins.open'	)
def  __snake_case       (   UpperCamelCase__ ,			UpperCamelCase__	)      ->		Dict:







		"""simple docstring"""





		A					       = Mock()
		A					       = conn, Mock()
		A					       = iter([1, None]	)
		A					       = lambda UpperCamelCase__	: next(UpperCamelCase__	)

		# ===== invoke =====
		send_file(filename='mytext.txt' ,			testing=UpperCamelCase__	)

		# ===== ensurance =====
		sock.assert_called_once()
		sock.return_value.bind.assert_called_once()
		sock.return_value.listen.assert_called_once()
		sock.return_value.accept.assert_called_once()
		conn.recv.assert_called_once()

		file.return_value.__enter__.assert_called_once()
		file.return_value.__enter__.return_value.read.assert_called()

		conn.send.assert_called_once()
		conn.close.assert_called_once()
		sock.return_value.shutdown.assert_called_once()
		sock.return_value.close.assert_called_once()





