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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 _sexp_slash_handler(c, ctx, whence=None, pending_event=None):
 """Handles the special case of a forward-slash within an s-expression. This is either an operator or a comment. """

    assert c == _SLASH
    if whence is None:
        whence = ctx.whence
    c, self = yield
    ctx.queue.unread(c)
    if c == _ASTERISK or c == _SLASH:
        yield ctx.immediate_transition(_comment_handler(_SLASH, ctx, whence))
    else:
        if pending_event is not None:
            # Since this is the start of a new value and not a comment, the pending event must be emitted.
            assert pending_event.event is not None
            yield _CompositeTransition(pending_event, ctx, partial(_operator_symbol_handler, _SLASH))
        yield ctx.immediate_transition(_operator_symbol_handler(_SLASH, ctx))