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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def apply_preprocessors(root, src, dst, processors):
 """ Preprocessors operate based on the source filename, and apply to each file individually. """

    matches = [(pattern, cmds) for pattern, cmds in processors.iteritems() if fnmatch(src, pattern)]
    if not matches:
        return False

    params = get_format_params(dst)

    for pattern, cmd_list in matches:
        for cmd in cmd_list:
            run_command(cmd, root=root, dst=dst, input=src, params=params)
            src = dst

    return True