How can I change the endpoint address in app.config with the console input?

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XML

WCF

C#5.0

I have an app which has a service reference. I need to change the URL of the endpoint address in app.config file based on the console input from user. How do I do this through C#? Please advice.

<pre lang="xml">&lt;configuration&gt;
    &lt;system.servicemodel&gt;
        &lt;bindings&gt;
            &lt;basichttpbinding&gt;
                &lt;binding name="BasicHttpBinding_IBrokerService" closetimeout="00:01:00"&gt;
                    openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
                    allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
                    maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
                    messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered"
                    useDefaultWebProxy="true"&gt;
                    &lt;readerquotas maxdepth="32" maxstringcontentlength="8192" maxarraylength="16384"&gt;
                        maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt;
                    &lt;security mode="None"&gt;
                        &lt;transport clientcredentialtype="None" proxycredentialtype="None"&gt;
                            realm="" /&gt;
                        &lt;message clientcredentialtype="UserName" algorithmsuite="Default" /&gt;
                    &lt;/transport&gt;&lt;/security&gt;
                &lt;/readerquotas&gt;&lt;/binding&gt;
            &lt;/basichttpbinding&gt;
        &lt;/bindings&gt;
        &lt;client&gt;
            &lt;endpoint address="http://abcd/defgf/test.svc" binding="basicHttpBinding"&gt;
                bindingConfiguration="BasicHttpBinding_ITestService" contract="TestServiceProxy.ITestService"
                name="BasicHttpBinding_ITestService" /&gt;
        &lt;/endpoint&gt;&lt;/client&gt;
    &lt;/system.servicemodel&gt;
&lt;/configuration&gt; </pre>

I need to change the "abcd" in endpoint address with the user specified value through console.