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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 _operator_symbol_handler(c, ctx):
 """Handles operator symbol values within s-expressions."""

    assert c in _OPERATORS
    ctx.set_unicode()
    val = ctx.value
    val.append(c)
    c, self = yield
    trans = ctx.immediate_transition(self)
    while c in _OPERATORS:
        val.append(c)
        c, _ = yield trans
    yield ctx.event_transition(IonEvent, IonEventType.SCALAR, IonType.SYMBOL, val.as_symbol())