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   "source": [
    "Funcones anónimas (lambda) \n",
    "===\n",
    "\n",
    "* Duración de la lección: 4:27 min"
   ]
  },
  {
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   "execution_count": 1,
   "id": "6e26d33d-7d53-4455-9f14-e4bf47ba829f",
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       "2"
      ]
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     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#\n",
    "# Función creada con nombre\n",
    "# =============================================================================\n",
    "#\n",
    "def incr(x):\n",
    "    return x + 1\n",
    "\n",
    "\n",
    "incr(1)"
   ]
  },
  {
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   "execution_count": 2,
   "id": "e7701cd5-f29c-4573-8654-325ce673a4b7",
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    {
     "data": {
      "text/plain": [
       "<function __main__.incr(x)>"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "incr"
   ]
  },
  {
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   "execution_count": 3,
   "id": "bc330ace-8477-49d1-bb4a-349a7c92dbec",
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    {
     "data": {
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       "2"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "copia_de_incr = incr\n",
    "\n",
    "copia_de_incr(1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "1a7dbd46-a559-4978-9821-c8740d2610b5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#\n",
    "# Función anónima o lambda\n",
    "# =============================================================================\n",
    "#\n",
    "incr_ = lambda x: x + 1\n",
    "incr_(1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "6f552967-006d-4ad4-949b-ea30de478f27",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#\n",
    "# Las funciones lambda se puede aplicar\n",
    "# directamente\n",
    "#\n",
    "(lambda x: x + 1)(2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "0d0f0feb-5e75-4bb9-8c73-26bcfb60c7cc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "43"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#\n",
    "# Creación de una función que devuelve otra\n",
    "#\n",
    "def make_incrementor(n):\n",
    "    return lambda x: x + n\n",
    "\n",
    "\n",
    "f = make_incrementor(42)\n",
    "f(1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "66c70ef9-f1a6-487b-bf94-a309ce14652f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "7"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#\n",
    "# Función compuesta de varias subfunciones\n",
    "# Principio de responsabilidad simple:\n",
    "# cada función hace una tarea y solo una tarea\n",
    "#\n",
    "def complex_function(x):\n",
    "    def constant():\n",
    "        return 1\n",
    "\n",
    "    def first():\n",
    "        return x\n",
    "\n",
    "    def second():\n",
    "        return x ** 2\n",
    "\n",
    "    result = constant() + first() + second()\n",
    "    return result\n",
    "\n",
    "\n",
    "complex_function(2)"
   ]
  }
 ],
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