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	<meta charset="utf-8" /><meta name="hf:doc:metadata" content="{"title":"Componentes de LangGraph","local":"componentes-de-langgraph","sections":[{"title":"1. Estado(State)","local":"1-estadostate","sections":[],"depth":2},{"title":"2. Nodos(Nodes)","local":"2-nodosnodes","sections":[],"depth":2},{"title":"3. Aristas (Edges)","local":"3-aristas-edges","sections":[],"depth":2},{"title":"4. StateGraph","local":"4-stategraph","sections":[],"depth":2},{"title":"¿Qué sigue?","local":"qué-sigue","sections":[],"depth":2}],"depth":1}">
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	<link rel="modulepreload" href="/docs/agents-course/pr_545/es/_app/immutable/chunks/getInferenceSnippets.031140c2.js"><!-- HEAD_svelte-u9bgzb_START --><meta name="hf:doc:metadata" content="{"title":"Componentes de LangGraph","local":"componentes-de-langgraph","sections":[{"title":"1. Estado(State)","local":"1-estadostate","sections":[],"depth":2},{"title":"2. Nodos(Nodes)","local":"2-nodosnodes","sections":[],"depth":2},{"title":"3. Aristas (Edges)","local":"3-aristas-edges","sections":[],"depth":2},{"title":"4. StateGraph","local":"4-stategraph","sections":[],"depth":2},{"title":"¿Qué sigue?","local":"qué-sigue","sections":[],"depth":2}],"depth":1}"><!-- HEAD_svelte-u9bgzb_END --> <p></p> <h1 class="relative group"><a id="componentes-de-langgraph" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#componentes-de-langgraph"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>Componentes de LangGraph</span></h1> <p data-svelte-h="svelte-xuxj0i">Para crear aplicaciones con LangGraph necesitas conocer sus elementos principales. Exploremos los componentes fundamentales que conforman una aplicacion con LangGraph.</p> <img src="https://huggingface.co/datasets/agents-course/course-images/resolve/main/en/unit2/LangGraph/Building_blocks.png" alt="Building Blocks" width="70%"> <p data-svelte-h="svelte-1afjpci">Una aplicación en LangGraph empieza con una <strong>entrada</strong>, y dependiendo de la ejecución, el flujo puede ir a una función o a otra hasta que llega al FINAL.</p> <img src="https://huggingface.co/datasets/agents-course/course-images/resolve/main/en/unit2/LangGraph/application.png" alt="Application"> <h2 class="relative group"><a id="1-estadostate" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#1-estadostate"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>1. Estado(State)</span></h2> <p data-svelte-h="svelte-q3lndj"><strong>Estado(State)</strong> es un concepto central en LangGraphh. Representa toda la información que fluye a traves de la aplicación.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">from</span> typing_extensions <span class="hljs-keyword">import</span> TypedDict

	<span class="hljs-keyword">class</span> <span class="hljs-title class_">State</span>(<span class="hljs-title class_ inherited__">TypedDict</span>):
	graph_state: <span class="hljs-built_in">str</span><!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-1g66syz">El estado es <strong>definido por el usuario</strong>, es por eso que los campos deben contruirse cuidadosamente para contener toda la información necesaria para el proceso de toma de decisiones!</p> <blockquote data-svelte-h="svelte-oxxog5"><p>💡 <strong>Tip:</strong> Piensa cuidadosamente que información necesita tu aplicación para rastrear entre pasos.</p></blockquote> <h2 class="relative group"><a id="2-nodosnodes" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#2-nodosnodes"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>2. Nodos(Nodes)</span></h2> <p data-svelte-h="svelte-1qjv490"><strong>Nodos(Nodes)</strong> son funciones de python. Cada nodo:</p> <ul data-svelte-h="svelte-16ifbd5"><li>Toma el estado como entrada</li> <li>Realiza alguna operación</li> <li>Regresa actualizaciones al estado</li></ul> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">def</span> <span class="hljs-title function_">node_1</span>(<span class="hljs-params">state</span>):
	<span class="hljs-built_in">print</span>(<span class="hljs-string">"---Node 1---"</span>)
	<span class="hljs-keyword">return</span> {<span class="hljs-string">"graph_state"</span>: state[<span class="hljs-string">'graph_state'</span>] +<span class="hljs-string">" Yo estoy"</span>}

	<span class="hljs-keyword">def</span> <span class="hljs-title function_">node_2</span>(<span class="hljs-params">state</span>):
	<span class="hljs-built_in">print</span>(<span class="hljs-string">"---Node 2---"</span>)
	<span class="hljs-keyword">return</span> {<span class="hljs-string">"graph_state"</span>: state[<span class="hljs-string">'graph_state'</span>] +<span class="hljs-string">" feliz!"</span>}

	<span class="hljs-keyword">def</span> <span class="hljs-title function_">node_3</span>(<span class="hljs-params">state</span>):
	<span class="hljs-built_in">print</span>(<span class="hljs-string">"---Node 3---"</span>)
	<span class="hljs-keyword">return</span> {<span class="hljs-string">"graph_state"</span>: state[<span class="hljs-string">'graph_state'</span>] +<span class="hljs-string">" triste!"</span>}<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-11by32f">Por ejemplo, los nodos pueden contener:</p> <ul data-svelte-h="svelte-6vioqc"><li><strong>llamadas a LLM</strong>: Generar texto o tomar decisiones</li> <li><strong>llamadas a Tool</strong>: Interactuar con sistemas externos</li> <li><strong>Lógica Condicional</strong>: Determinar los siguientes pasos</li> <li><strong>Intervención Humana</strong>: Obtener datos del usuario</li></ul> <blockquote data-svelte-h="svelte-ekx9b8"><p>💡 <strong>Info:</strong> Algunos nodos necesarios para el flujo completo como START y END existen directamente desde langGraph.</p></blockquote> <h2 class="relative group"><a id="3-aristas-edges" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#3-aristas-edges"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>3. Aristas (Edges)</span></h2> <p data-svelte-h="svelte-1gzev1z"><strong>Aristas (Edges)</strong> conectan nodos y definen los posibles caminos a través de tu grafo:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">import</span> random
	<span class="hljs-keyword">from</span> typing <span class="hljs-keyword">import</span> <span class="hljs-type">Literal</span>

	<span class="hljs-keyword">def</span> <span class="hljs-title function_">decide_mood</span>(<span class="hljs-params">state</span>) -> <span class="hljs-type">Literal</span>[<span class="hljs-string">"node_2"</span>, <span class="hljs-string">"node_3"</span>]:

	<span class="hljs-comment"># A menudo, usaremos el estado para decidir el próximo nodo a visitar</span>
	usuario_entrada = state[<span class="hljs-string">'graph_state'</span>]

	<span class="hljs-comment"># Aquí, hagamos simplemente una división 50 / 50 entre los nodos 2, 3</span>
	<span class="hljs-keyword">if</span> random.random() < <span class="hljs-number">0.5</span>:

	<span class="hljs-comment"># 50% del tiempo, devolvemos el Nodo 2</span>
	<span class="hljs-keyword">return</span> <span class="hljs-string">"node_2"</span>

	<span class="hljs-comment"># 50% del tiempo, devolvemos el Nodo 3</span>
	<span class="hljs-keyword">return</span> <span class="hljs-string">"node_3"</span>RetryClaude can make mistakes. Please double-check responses.<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-8q4fu3">Las aristas(edges) pueden ser:</p> <ul data-svelte-h="svelte-17pi5sb"><li><strong>Directas (Direct)</strong>: Siempre van del nodo A al nodo B</li> <li><strong>Condicionales (Conditional)</strong>: Eligen el próximo nodo basándose en el estado actual</li></ul> <h2 class="relative group"><a id="4-stategraph" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#4-stategraph"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>4. StateGraph</span></h2> <p data-svelte-h="svelte-qp6fob">El <strong>StateGraph</strong> es el contenedor que alberga todo el flujo de trabajo de tu agente:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">from</span> IPython.display <span class="hljs-keyword">import</span> Image, display
	<span class="hljs-keyword">from</span> langgraph.graph <span class="hljs-keyword">import</span> StateGraph, START, END

	<span class="hljs-comment"># Construir grafo</span>
	builder = StateGraph(State)
	builder.add_node(<span class="hljs-string">"node_1"</span>, node_1)
	builder.add_node(<span class="hljs-string">"node_2"</span>, node_2)
	builder.add_node(<span class="hljs-string">"node_3"</span>, node_3)

	<span class="hljs-comment"># Lógica</span>
	builder.add_edge(START, <span class="hljs-string">"node_1"</span>)
	builder.add_conditional_edges(<span class="hljs-string">"node_1"</span>, decide_mood)
	builder.add_edge(<span class="hljs-string">"node_2"</span>, END)
	builder.add_edge(<span class="hljs-string">"node_3"</span>, END)

	<span class="hljs-comment"># Añadir</span>
	graph = builder.<span class="hljs-built_in">compile</span>()<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-178ib0j">¡Que luego puede ser visualizado!</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-comment"># Ver</span>
	display(Image(graph.get_graph().draw_mermaid_png()))<!-- HTML_TAG_END --></pre></div> <img src="https://huggingface.co/datasets/agents-course/course-images/resolve/main/en/unit2/LangGraph/basic_graph.jpeg" alt="Graph Visualization"> <p data-svelte-h="svelte-c2jdle">Pero lo más importante, invocado::</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START -->graph.invoke({<span class="hljs-string">"graph_state"</span> : <span class="hljs-string">"Hola, soy Lance."</span>})<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-1wdnc59">output :</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START -->---<span class="hljs-keyword">Node</span> <span class="hljs-title">1---</span>
	---<span class="hljs-keyword">Node</span> <span class="hljs-title">3---</span>
	{'graph_state': 'Hola, soy Lance. ¡Estoy triste!'}<!-- HTML_TAG_END --></pre></div> <h2 class="relative group"><a id="qué-sigue" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#qué-sigue"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>¿Qué sigue?</span></h2> <p data-svelte-h="svelte-1tpo6os">En la siguiente sección, pondremos estos conceptos en práctica construyendo nuestro primer grafo. Este grafo permite a Alfred recibir tus correos electrónicos, clasificarlos y elaborar una respuesta preliminar si son genuinos.</p> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/agents-course/blob/main/units/es/unit2/langgraph/building_blocks.mdx" target="_blank"><span data-svelte-h="svelte-1kd6by1"><</span> <span data-svelte-h="svelte-x0xyl0">></span> <span data-svelte-h="svelte-1dajgef"><span class="underline ml-1.5">Update</span> on GitHub</span></a> <p></p>

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