Create notebook.ipynb

class-5/notebook.ipynb

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+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "provenance": []
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    },
+    "language_info": {
+      "name": "python"
+    }
+  },
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# Python do Início\n",
+        "\n",
+        "## Erros e Exceptions\n",
+        "\n",
+        "### Links úteis\n",
+        "- https://docs.python.org/pt-br/3/tutorial/errors.html\n",
+        "- https://realpython.com/python-lbyl-vs-eafp/"
+      ],
+      "metadata": {
+        "id": "NZ7PwDdltgb-"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "# '1' + 1\n",
+        "\n",
+        "a = '1'\n",
+        "b = 1\n",
+        "\n",
+        "print('INÍCIO')\n",
+        "\n",
+        "print(a + b)\n",
+        "\n",
+        "print('DEU')\n",
+        "\n",
+        "if isinstance(a, int):\n",
+        "  print('a é inteiro')\n",
+        "  print(a + b)\n",
+        "else:\n",
+        "  print('a precisa ser inteiro')"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 254
+        },
+        "id": "vrOc6gbut8xl",
+        "outputId": "8a6a15d8-1484-436d-cf9d-5bb6add16c96"
+      },
+      "execution_count": null,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "INÍCIO\n"
+          ]
+        },
+        {
+          "output_type": "error",
+          "ename": "TypeError",
+          "evalue": "ignored",
+          "traceback": [
+            "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+            "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
+            "\u001b[0;32m<ipython-input-21-6e68acd8a900>\u001b[0m in \u001b[0;36m<cell line: 8>\u001b[0;34m()\u001b[0m\n\u001b[1;32m      6\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'INÍCIO'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      7\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 8\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0ma\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0mb\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      9\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     10\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'DEU'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+            "\u001b[0;31mTypeError\u001b[0m: can only concatenate str (not \"int\") to str"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "int('1') + 1"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "ky0ZvF05yG1h",
+        "outputId": "a00ac8cb-662d-45f5-8795-3562e6740c67"
+      },
+      "execution_count": null,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "2"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 17
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "operando_1 = '1'\n",
+        "operando_2 = 1\n",
+        "\n",
+        "try:\n",
+        "  # 1 / 0\n",
+        "  # ... não executa\n",
+        "  soma = operando_1 + operando_2\n",
+        "  print(operando_1 + operando_2)\n",
+        "  # ...\n",
+        "except TypeError:\n",
+        "  print('TypeError')\n",
+        "  operando_1 = int(operando_1)\n",
+        "  operando_2 = int(operando_2)\n",
+        "  print(operando_1 + operando_2)\n",
+        "# ...\n",
+        "except ZeroDivisionError:\n",
+        "  print('Dã, não divida por zero!')\n",
+        "except Exception as e:\n",
+        "  print(f'Erro desconhecido: {e.__class__.__name__}')\n",
+        "\n",
+        "print('DEU')"
+      ],
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "JUvbgismv7uY",
+        "outputId": "43316888-499c-40e1-b32e-0a7ff156e2fe"
+      },
+      "execution_count": null,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "TypeError\n",
+            "2\n",
+            "DEU\n"
+          ]
+        }
+      ]
+    }
+  ]
+}