diff --git a/Tarea2_Ejercicio_2_parte_a__1_.ipynb b/Tarea2_Ejercicio_2_parte_a__1_.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..337ffc51ab24d96335218aaccf5641bfe4c389fd
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+++ b/Tarea2_Ejercicio_2_parte_a__1_.ipynb
@@ -0,0 +1,101 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Ingrese un numero entero: 3\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Solicitar al usuario ingreso de  un número entero, siendo row una variable global\n",
+    "input_row= input('Ingrese un numero entero: ')\n",
+    "\n",
+    "# Try intenta hacer algo, si el numero ingresado no es un entero va al except\n",
+    "try:\n",
+    "   row=int(input_row)\n",
+    "except:\n",
+    "   print(\"El número ingresado no es entero\")\n",
+    "    \n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#  Función Pascal_triangle \n",
+    "    \n",
+    "def Pascal_triangle(row):  \n",
+    "  \n",
+    "    for line in range(1, row + 1):  \n",
+    "        C = 1; \n",
+    "        for i in range(1, line + 1):   \n",
+    "            # El primer elemento de cada fila del triangulo de pascal es 1\n",
+    "            print(C, end = \" \");  \n",
+    "            #Aplicación del binomio de Newton\n",
+    "            C = int(C * (line - i) / i);  \n",
+    "        print(\"\");  \n",
+    "    "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "1 \n",
+      "1 1 \n",
+      "1 2 1 \n"
+     ]
+    }
+   ],
+   "source": [
+    "if type(row) == int: \n",
+    "        \n",
+    "         Pascal_triangle(row)\n",
+    "    \n",
+    "else:    \n",
+    "        print(\"el número ingresado no es entero\")\n",
+    "\n",
+    "    \n",
+    "\n",
+    "   \n",
+    "    \n",
+    "    "
+   ]
+  }
+ ],
+ "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
+}