def merge(mer_inputs=MER_INPUTS, mer_output=MER_OUTPUT):
dirname = os.path.dirname(__file__)<EOL>output_file = os.path.join(dirname, DICT_DIRECTORY, mer_output)<EOL>lines = []<EOL>for in_file in MER_INPUTS:<EOL><INDENT>input_file = os.path.join(dirname, DICT_DIRECTORY, in_file)<EOL>with open(input_file, encoding='<STR_LIT:utf-8>') as f:<EOL><INDENT>for line in f:<EOL><INDENT>lines.append(line)<EOL><DEDENT><DEDENT><DEDENT>with open(output_file, '<STR_LIT:w>', encoding='<STR_LIT:utf-8>') as f:<EOL><INDENT>for line in lines:<EOL><INDENT>f.write(line)<EOL><DEDENT><DEDENT>
merge the phrase files into one file
:param mer_inputs: the phrase files
:param mer_output: the output file
:return: None