def read(scope, filename):
    """
    Reads the given file and returns the result.
    The result is also stored in the built-in __response__ variable.

    :type  filename: string
    :param filename: A filename.
    :rtype:  string
    :return: The content of the file.
    """
    with open(filename[0], 'r') as fp:
        lines = fp.readlines()
    scope.define(__response__=lines)
    return lines
