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Create notebook.ipynb #3

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154 changes: 154 additions & 0 deletions class-5/notebook.ipynb
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Original file line number Diff line number Diff line change
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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"
]
}
]
}
]
}