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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 _process_arguments(arguments):
    ''' Return user-supplied HTML arguments to add to a Bokeh server URL.

    Args:
        arguments (dict[str, object]) :
            Key/value pairs to add to the URL

    Returns:
        str

    '''
    if arguments is None: return ""
    result = ""
    for key, value in arguments.items():
        if not key.startswith("bokeh-"):
            result += "&{}={}".format(quote_plus(str(key)), quote_plus(str(value)))
    return result