Tengo que hacer una tarea que no sabia odio todo

Programación/Jupyter/Clase051125.ipynb

@@ -0,0 +1,89 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0a36b114",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "De aquí pa abajo ejercicio 1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "id": "bfc5ce41",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n"
+     ]
+    }
+   ],
+   "source": [
+    "\n",
+    "n1 = int(input(\"Ingresa un número\"))\n",
+    "def valida_numero (a):\n",
+    "    return n1 <= 0\n",
+    "\n",
+    "print(valida_numero(n1))\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "4e708c7e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n"
+     ]
+    }
+   ],
+   "source": [
+    "string = input(\"Ingresa un string\")\n",
+    "n2 = int(input(\"Ingresa un número\"))\n",
+    "def valida_posicion(a,b):\n",
+    "    v = (b<len(a) and b>=-len(a))\n",
+    "    return v\n",
+    "print(valida_posicion(string,n2))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e3a0f18b",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.14.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

Programación/Jupyter/Strings.ipynb

@@ -227,7 +227,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 70,
+   "execution_count": null,
    "id": "c331f248",
    "metadata": {},
    "outputs": [
@@ -235,12 +235,10 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Anotaciones: DDTLLDTLDLLDT DTLLDTDLTLDTLL LLTLDTLDLTLD DTLDTLDLTLDTL\n",
-      "24 puntos en el periodo 1\n",
-      "26 puntos en el periodo 2\n",
-      "21 puntos en el periodo 3\n",
-      "25 puntos en el periodo 4\n",
-      "Total: 96 puntos\n"
+      "Anotaciones: DLTDLTL DLTDLTL\n",
+      "13 puntos en el periodo 1\n",
+      "13 puntos en el periodo 2\n",
+      "Total: 26 puntos\n"
      ]
     }
    ],
@@ -279,6 +277,7 @@
     "    # Pide que se ingresen las teclas correctas\n",
     "    else:\n",
     "        anotaciones = input(\"Los valores deben ser L, D, T o espacio\")\n",
+    "        anotaciones = anotaciones.upper()\n",
     "    pos = pos + 1\n",
     "periodo = periodo + 1\n",
     "total = total + puntos\n",
@@ -292,18 +291,6 @@
    "display_name": "Python 3 (ipykernel)",
    "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": "3.14.0"
   }
  },
  "nbformat": 4,

Programación/Jupyter/Tarea1.ipynb

@@ -0,0 +1,99 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "ba90127a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Texto decodificado:\n",
+      "MI PINGA ESTA EN SU MAXIMA EXPRESION\n"
+     ]
+    }
+   ],
+   "source": [
+    "def Valida_Entrada(texto):\n",
+    "    \"\"\"\n",
+    "    Valida que la entrada cumpla las siguientes condiciones:\n",
+    "    - Longitud máxima de 1000 caracteres.\n",
+    "    - Solo contiene letras, dígitos, espacios, comas y/o puntos.\n",
+    "    \"\"\"\n",
+    "    if len(texto) > 1000:\n",
+    "        return False\n",
+    "\n",
+    "    for c in texto:\n",
+    "        if not (c.isalnum() or c in [' ', ',', '.']):\n",
+    "            return False\n",
+    "\n",
+    "    return True\n",
+    "\n",
+    "\n",
+    "def Decodifica(texto):\n",
+    "    \"\"\"\n",
+    "    Reemplaza los dígitos por las letras según la tabla:\n",
+    "    1→I, 3→E, 4→A, 5→S, 7→T, 8→B, 0→O\n",
+    "    \"\"\"\n",
+    "    reemplazos = {\n",
+    "        '1': 'I',\n",
+    "        '3': 'E',\n",
+    "        '4': 'A',\n",
+    "        '5': 'S',\n",
+    "        '7': 'T',\n",
+    "        '8': 'B',\n",
+    "        '0': 'O'\n",
+    "    }\n",
+    "\n",
+    "    resultado = \"\"\n",
+    "    for c in texto:\n",
+    "        if c in reemplazos:\n",
+    "            resultado += reemplazos[c]\n",
+    "        else:\n",
+    "            resultado += c\n",
+    "    return resultado\n",
+    "\n",
+    "\n",
+    "# -------------------- Programa Principal --------------------\n",
+    "\n",
+    "def main():\n",
+    "    texto = input(\"Ingrese el texto codificado: \").upper()\n",
+    "\n",
+    "    if not Valida_Entrada(texto):\n",
+    "        print(\"Error: la cadena contiene caracteres no permitidos o supera los 1000 símbolos.\")\n",
+    "        return\n",
+    "\n",
+    "    texto_decodificado = Decodifica(texto)\n",
+    "    print(\"Texto decodificado:\")\n",
+    "    print(texto_decodificado)\n",
+    "\n",
+    "\n",
+    "if __name__ == \"__main__\":\n",
+    "    main()"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.14.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}