diff --git a/Tarea_2_Ejercicio_1.ipynb b/Tarea_2_Ejercicio_1.ipynb
new file mode 100644
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@@ -0,0 +1,66 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Función list_of_words\n",
+    "\n",
+    "def list_of_words(ListWords):\n",
+    "    ListWords=ListWords.split('-') #separa por '-' \n",
+    "    ListWords_sorted=sorted(ListWords)  #ordena alfabeticamente\n",
+    "    ListNotRepeated=list(dict.fromkeys(ListWords_sorted)) #retorna a lista y crea un diccionario para remover los valores repetidos\n",
+    "    result = '-'.join(ListNotRepeated) #une los resultado de la lista con '-'\n",
+    "    print(result)\n",
+    "    "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "cama-casa-pera-perro\n"
+     ]
+    }
+   ],
+   "source": [
+    "list_of_words(\"pera-casa-perro-perro-cama\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}