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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 make_trace_config(tracer: Tracer) -> aiohttp.TraceConfig: """Creates aiohttp.TraceConfig with enabled aiozipking instrumentation for aiohttp client. """

    trace_config = aiohttp.TraceConfig()
    zipkin = ZipkinClientSignals(tracer)

    trace_config.on_request_start.append(zipkin.on_request_start)
    trace_config.on_request_end.append(zipkin.on_request_end)
    trace_config.on_request_exception.append(zipkin.on_request_exception)
    return trace_config