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adicionado coisas Aulas 1 a 3 #12

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Sep 1, 2021
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adicionado coisas Aulas 1 a 3 #12

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145 changes: 116 additions & 29 deletions notebooks/Aula_1_Operadores_Aritmeticos_Relacionais_e_Logicos.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -128,21 +128,89 @@
"text": [
"<class 'str'>\n",
"Número de caracteres do logo: 9\n",
"Bem-vindo à UNINOVE, o seu professor é José Eduardo Storopoli\n"
"Bem-vindo à UNINOVE, o seu professor é Duda e Edson\n"
]
}
],
"source": [
"universidade = 'UNINOVE'\n",
"logo = 'uni9 é 10'\n",
"professor = 'José Eduardo Storopoli'\n",
"professor = \"Duda e Edson\" # usando aspas duplas \"\n",
"\n",
"print(type(logo))\n",
"print('Número de caracteres do logo: ', len(logo)) # usando ,\n",
"print('Bem-vindo à ' + universidade +\n",
" ', o seu professor é ' + professor) # usando +"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"source": [
"#### `fstrings`\n",
"\n",
"As `fstrings` foram introduzidas em Python versão 3.6 e são uma forma conveniente de nos fazermos substituição de _placeholders_ em uma string por variáveis ou expressões:\n",
"\n",
"Funciona assim:\n",
"\n",
"```python\n",
"f\"Aqui é uma string com uma {var}\"\n",
"```"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Bem-vindo à UNINOVE. Seus professores são Duda e Edson.\n",
"<class 'str'>\n"
]
}
],
"source": [
"fstring = f\"Bem-vindo à UNINOVE. Seus professores são {professor}.\"\n",
"print(fstring)\n",
"print(type(fstring))"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
"outputs": [
{
"data": {
"text/plain": [
"'2 + 2 = 4'"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# também funciona para expressões\n",
"f\"2 + 2 = {2+2}\""
]
},
{
"cell_type": "markdown",
"metadata": {
Expand All @@ -159,7 +227,7 @@
},
{
"cell_type": "code",
"execution_count": 3,
"execution_count": 5,
"metadata": {
"scrolled": true,
"slideshow": {
Expand All @@ -177,12 +245,41 @@
}
],
"source": [
"mortalidade = True\n",
"mortalidade = True # cuidado com o TitleCase true != True\n",
"\n",
"print(mortalidade)\n",
"print(type(mortalidade))"
]
},
{
"cell_type": "markdown",
"metadata": {
"slideshow": {
"slide_type": "subslide"
}
},
"source": [
"#### Não temos os *parkour* de JavaScript\n",
"\n",
"`str` + `int` dá um erro:"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
"outputs": [],
"source": [
"# o código abaixo dá um erro\n",
"#\"3\" + 1\n",
"\n",
"# TypeError: can only concatenate str (not \"int\") to str"
]
},
{
"cell_type": "markdown",
"metadata": {
Expand All @@ -198,7 +295,7 @@
},
{
"cell_type": "code",
"execution_count": 4,
"execution_count": 7,
"metadata": {
"scrolled": true,
"slideshow": {
Expand All @@ -211,9 +308,9 @@
"output_type": "stream",
"text": [
"dados do aluno\n",
"informe seu nome: Edson Melo\n",
"informe sua idade: 50\n",
"Edson Melo você tem 50 anos!\n"
"informe seu nome: Duda\n",
"informe sua idade: 33\n",
"Duda você tem 33 anos!\n"
]
}
],
Expand Down Expand Up @@ -247,7 +344,7 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": 8,
"metadata": {
"scrolled": true,
"slideshow": {
Expand Down Expand Up @@ -307,7 +404,7 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 9,
"metadata": {
"scrolled": true,
"slideshow": {
Expand All @@ -328,7 +425,7 @@
],
"source": [
"import math\n",
"#import math as m \n",
"#import math as m\n",
"#from math import floor, ceil\n",
"\n",
"print('Arredondamento simples:', round(3.33))\n",
Expand Down Expand Up @@ -358,7 +455,7 @@
}
},
"source": [
"* Igual a: `x == y`\n",
"* Igual a: `x == y` (não existe `x === y`)\n",
"* Maior que: `x > y`\n",
"* Menor que: `x < y`\n",
"* Maior ou igual a: `x >= y`\n",
Expand All @@ -368,7 +465,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 10,
"metadata": {
"scrolled": true,
"slideshow": {
Expand Down Expand Up @@ -421,33 +518,23 @@
},
{
"cell_type": "code",
"execution_count": 8,
"execution_count": null,
"metadata": {
"scrolled": true,
"slideshow": {
"slide_type": "subslide"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"False\n",
"True\n",
"False\n"
]
}
],
"outputs": [],
"source": [
"x = 1\n",
"y = 3\n",
"z = 5\n",
"w = 2\n",
"\n",
"print(z > w and w > y) # False\n",
"print(z > w or w > y) # True\n",
"print(not y + w == z) # False"
"print((z > w) and (w > y)) # False\n",
"print((z > w) or (w > y)) # True\n",
"print(not (y + w == z)) # False"
]
},
{
Expand Down Expand Up @@ -566,7 +653,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.10"
"version": "3.9.6"
},
"rise": {
"autolaunch": true,
Expand Down
44 changes: 22 additions & 22 deletions notebooks/Aula_2_Desvio_Condicional_IF.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -84,9 +84,9 @@
"b = 5\n",
"c = 0\n",
"\n",
"if (a == b):\n",
"if a == b:\n",
" print('a é igual a b')\n",
" c +=2\n",
" c += 2\n",
"print('Valor de c: ', c)"
]
},
Expand All @@ -111,7 +111,7 @@
"a = 5\n",
"b = 5\n",
"c = 0\n",
"if (a != b):\n",
"if a != b:\n",
" print('a é diferente de b')\n",
" c +=2\n",
"print('Valor de c: ', c)"
Expand Down Expand Up @@ -141,9 +141,9 @@
"b = 5\n",
"c = 0\n",
"\n",
"if (a == b):\n",
"if a == b:\n",
" print('a é igual a b')\n",
" if (c + 5 == a):\n",
" if c + 5 == a:\n",
" print('c mais cinco é igual a a')\n",
" c += 2\n",
" c +=2\n",
Expand Down Expand Up @@ -173,9 +173,9 @@
"b = 5\n",
"c = 0\n",
"\n",
"if (a == b):\n",
"if a == b:\n",
" print('a é igual a b')\n",
" if (c + 6 == a):\n",
" if c + 6 == a:\n",
" print('c mais seis é igual a a')\n",
" c += 2\n",
" c +=2\n",
Expand Down Expand Up @@ -204,7 +204,7 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": 8,
"metadata": {
"slideshow": {
"slide_type": "subslide"
Expand All @@ -226,9 +226,9 @@
"b = 5\n",
"c = 0\n",
"\n",
"if (a == b):\n",
"if a == b:\n",
" print('a é igual a b')\n",
" if (c + 5 == a):\n",
" if c + 5 == a:\n",
" print('c mais cinco é igual a a')\n",
" c += 2\n",
"else:\n",
Expand All @@ -238,7 +238,7 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 9,
"metadata": {
"slideshow": {
"slide_type": "fragment"
Expand All @@ -258,9 +258,9 @@
"b = 5\n",
"c = 0\n",
"\n",
"if (a != b):\n",
"if a != b:\n",
" print('a é diferente de b')\n",
" if (c + 6 == a):\n",
" if c + 6 == a:\n",
" print('c mais seis é igual a a')\n",
" c += 2\n",
"else:\n",
Expand Down Expand Up @@ -305,7 +305,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 10,
"metadata": {
"slideshow": {
"slide_type": "subslide"
Expand All @@ -317,24 +317,24 @@
"output_type": "stream",
"text": [
"informe valor de a: \n",
"2\n",
"11\n"
"4\n",
"13\n"
]
}
],
"source": [
"c = 0\n",
"a = int(input(\"informe valor de a: \\n\"))\n",
"\n",
"if (a==1):\n",
"if a==1:\n",
" c = 10\n",
"elif (a==2):\n",
"elif a==2:\n",
" c = 11\n",
"elif (a==3):\n",
"elif a==3:\n",
" c = 12\n",
"elif (a==4):\n",
"elif a==4:\n",
" c = 13\n",
"elif (a==5):\n",
"elif a==5:\n",
" c = 14\n",
"else:\n",
" c = 20\n",
Expand Down Expand Up @@ -432,7 +432,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.10"
"version": "3.9.6"
},
"rise": {
"autolaunch": true,
Expand Down