def merge_default_adapters():
default_adapters = [os.path.join(ADAPTERS_PATH, x) for x in<EOL>os.listdir(ADAPTERS_PATH)]<EOL>filepath = os.path.join(os.getcwd(), "<STR_LIT>")<EOL>with open(filepath, "<STR_LIT:w>") as fh,fileinput.input(default_adapters) as in_fh:<EOL><INDENT>for line in in_fh:<EOL><INDENT>fh.write("<STR_LIT>".format(line, "<STR_LIT>"))<EOL><DEDENT><DEDENT>return filepath<EOL>
Merges the default adapters file in the trimmomatic adapters directory

    Returns
    -------
    str
        Path with the merged adapters file.