desafios python

Desafio_01.ipynb

@@ -1,85 +1,163 @@
 {
- "cells": [
-  {
-   "cell_type": "markdown",
-   "metadata": {
-    "colab_type": "text",
-    "id": "view-in-github"
-   },
-   "source": [
-    "![](https://i.imgur.com/YX6UATs.png)"
-   ]
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "anaconda-cloud": {},
+    "colab": {
+      "name": "Desafio 1.ipynb",
+      "provenance": [],
+      "include_colab_link": true
+    },
+    "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": "3.7.9"
+    }
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {
-    "colab_type": "text",
-    "id": "SbLLE9q1eldC"
-   },
-   "source": [
-    "### Desafio 1\n",
-    "\n",
-    "Escreva um programa em Python para contabilizar a quantidade de ocorrências de cada palavra."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 0,
-   "metadata": {
-    "colab": {},
-    "colab_type": "code",
-    "id": "WhtbdwFseldD"
-   },
-   "outputs": [],
-   "source": [
-    "palavras = [\n",
-    "   'red', 'green', 'black', 'pink', 'black', 'white', 'black', 'eyes',\n",
-    "   'white', 'black', 'orange', 'pink', 'pink', 'red', 'red', 'white', 'orange',\n",
-    "   'white', \"black\", 'pink', 'green', 'green', 'pink', 'green', 'pink',\n",
-    "   'white', 'orange', \"orange\", 'red'\n",
-    "]\n",
-    "\n",
-    "\n",
-    "# Seu código"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 0,
-   "metadata": {
-    "colab": {},
-    "colab_type": "code",
-    "id": "M58o1U9KfAxa"
-   },
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "anaconda-cloud": {},
-  "colab": {
-   "include_colab_link": true,
-   "name": "Desafio 1.ipynb",
-   "provenance": []
-  },
-  "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": "3.7.9"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 1
-}
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "view-in-github",
+        "colab_type": "text"
+      },
+      "source": [
+        "<a href=\"https://colab.research.google.com/github/BielSousa/br-python-challenges/blob/master/Desafio_01.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "SbLLE9q1eldC"
+      },
+      "source": [
+        "### Desafio 1\n",
+        "\n",
+        "Escreva um programa em Python para contabilizar a quantidade de ocorrências de cada palavra."
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "WhtbdwFseldD"
+      },
+      "source": [
+        "palavras = [\n",
+        "   'red', 'green', 'black', 'pink', 'black', 'white', 'black', 'eyes',\n",
+        "   'white', 'black', 'orange', 'pink', 'pink', 'red', 'red', 'white', 'orange',\n",
+        "   'white', \"black\", 'pink', 'green', 'green', 'pink', 'green', 'pink',\n",
+        "   'white', 'orange', \"orange\", 'red'\n",
+        "]\n",
+        "\n",
+        "\n",
+        "# Seu código"
+      ],
+      "execution_count": 2,
+      "outputs": []
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "_3CxoCU18lwN"
+      },
+      "source": [
+        "#Solução com importando o Counter"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "M58o1U9KfAxa",
+        "outputId": "89bbd9a1-120b-4936-c5f2-2c931e62ffb3"
+      },
+      "source": [
+        "from collections import Counter\n",
+        "\n",
+        "print(Counter(palavras))"
+      ],
+      "execution_count": 3,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "Counter({'pink': 6, 'black': 5, 'white': 5, 'red': 4, 'green': 4, 'orange': 4, 'eyes': 1})\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "EZOWuzEc9Clb"
+      },
+      "source": [
+        "#Solução criando o Counter"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "metadata": {
+        "id": "1RJs2ga39Fuy",
+        "outputId": "d795db69-c7df-432e-b495-cc9025e8301e",
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        }
+      },
+      "source": [
+        "def Counter(lista_de_palavras):\n",
+        "    \n",
+        "    palavras_unicas = []\n",
+        "    dicionario_de_palavras = {}\n",
+        "    \n",
+        "    #Faz a contagem de palavras\n",
+        "    for palavra in lista_de_palavras:\n",
+        "        if palavra not in palavras_unicas:\n",
+        "            palavras_unicas.append(palavra)\n",
+        "            count = 0\n",
+        "            for p in lista_de_palavras:\n",
+        "                if p == palavra:\n",
+        "                    count+=1\n",
+        "            dicionario_de_palavras[palavra] = count\n",
+        "    \n",
+        "    #Ordena as palavras pela quantidade\n",
+        "    resultado = sorted(dicionario_de_palavras, key = dicionario_de_palavras.get, reverse=True)\n",
+        "    \n",
+        "    #Cria novo dicinario contendo os valores ordenados\n",
+        "    n_dicionario = {}\n",
+        "    for r in resultado:\n",
+        "        n_dicionario[r] = dicionario_de_palavras[r]\n",
+        "\n",
+        "    #Exporta dicionario    \n",
+        "    return n_dicionario\n",
+        "\n",
+        "print(Counter(palavras))"
+      ],
+      "execution_count": 6,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "text": [
+            "{'pink': 6, 'black': 5, 'white': 5, 'red': 4, 'green': 4, 'orange': 4, 'eyes': 1}\n"
+          ],
+          "name": "stdout"
+        }
+      ]
+    }
+  ]
+}