From bc13d2e08e90bf1e97861e34bbaea1b7e7283889 Mon Sep 17 00:00:00 2001
From: okk <153692773@qq.com>
Date: Tue, 31 Jan 2023 13:56:54 +0800
Subject: [PATCH] 0000

asd
---
 02.ipynb | 236 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 236 insertions(+)
 create mode 100644 02.ipynb

diff --git a/02.ipynb b/02.ipynb
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+{
+	"cells": [
+		{
+			"cell_type": "markdown",
+			"metadata": {
+				"collapsed": true
+			},
+			"source": [
+				"### 任务描述\n",
+				"了解Python简单数据类型（数字）以及变量的定义，完成相关习题。\n",
+				"\n",
+				"### 相关知识\n",
+				"\n",
+				"#### Numbers数字"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": []
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"Python 数字数据类型用于存储数值。Numbers数字分为四种类型：\n",
+				"\n",
+				"- 整型(Int) - 通常被称为是整型或整数，是正或负整数，不带小数点；\n",
+				"- 长整型(long) - 无限大小的整数，整数最后是一个大写或小写的L，如51924361L；\n",
+				"- 浮点型(float) - 浮点型由整数部分与小数部分组成，如15.20；\n",
+				"- 复数(complex) - 复数由实数部分和虚数部分构成，如a + bj，复数的虚部以字母J或j结尾。如3e+26J。"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"我们已经知道数字类型可分为四种类型，那么10和10.0分别属于什么类型呢？我们可以使用type()函数查看数据类型。"
+			]
+		},
+		{
+			"cell_type": "code",
+			"execution_count": 35,
+			"metadata": {},
+			"outputs": [
+				{
+					"name": "stdout",
+					"output_type": "stream",
+					"text": [
+						"<class 'int'> <class 'float'>\n"
+					]
+				}
+			],
+			"source": [
+				"# 使用print()函数输出/打印内容\n",
+				"x1 = 10\n",
+				"x2 = 10.0\n",
+				"print(type(x1),type(x2))"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"### 认识变量\n",
+				"\n",
+				"\n",
+				"\n",
+				"什么是变量？在上一个案例中，x1、x2这种等号左边的就是属于变量。 变量可以指定不同的数据类型，比如整数，小数等。\n",
+				"\n",
+				"#### 1、定义变量\n",
+				"\n",
+				"变量名=变量值\n",
+				"\n",
+				"其中等号=用来给变量赋值。\n",
+				"\n",
+				"#### 2、变量命名规则：\n",
+				"① 变量名第一个字符必须是字母（大小写均可）或者下划线（“_”），不能数字开头；\n",
+				"\n",
+				"② 变量名不能和常用功能性名字重合，例如print，if，for；\n",
+				"\n",
+				"③ 不要有空格。"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"#### 变量赋值\n",
+				"以下代码展示了怎么给单个变量赋值。"
+			]
+		},
+		{
+			"cell_type": "code",
+			"execution_count": 38,
+			"metadata": {},
+			"outputs": [
+				{
+					"name": "stdout",
+					"output_type": "stream",
+					"text": [
+						"100\n",
+						"1000.0\n",
+						"John\n"
+					]
+				}
+			],
+			"source": [
+				"counter = 100 # 赋值整型变量\n",
+				"miles = 1000.0 # 浮点型\n",
+				"name = \"John\" # 字符串\n",
+				" \n",
+				"print(counter)\n",
+				"print(miles)\n",
+				"print(name)"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"#### 多变量赋值\n",
+				"以下代码展示了怎么给多个变量同时赋值。"
+			]
+		},
+		{
+			"cell_type": "code",
+			"execution_count": 31,
+			"metadata": {},
+			"outputs": [
+				{
+					"name": "stdout",
+					"output_type": "stream",
+					"text": [
+						"1 1 1 1 2 hello\n"
+					]
+				}
+			],
+			"source": [
+				"a = b = c = 1\n",
+				"d , e , f = 1 , 2 , 'hello'\n",
+				"print(a,b,c,d,e,f)"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"#### 动态变量\n",
+				"动态变量的意思是变量的值是可更改的，或者说，变量可以随时指向任意值。"
+			]
+		},
+		{
+			"cell_type": "code",
+			"execution_count": 32,
+			"metadata": {},
+			"outputs": [
+				{
+					"name": "stdout",
+					"output_type": "stream",
+					"text": [
+						"10\n",
+						"20\n"
+					]
+				}
+			],
+			"source": [
+				"var1 = 10\n",
+				"print(var1)\n",
+				"var1 = 20\n",
+				"print(var1)"
+			]
+		},
+		{
+			"cell_type": "markdown",
+			"metadata": {},
+			"source": [
+				"### 编程要求\n",
+				"\n",
+				"同时定义4个变量，并给这四个变量分别赋值为整型，长整型，浮点型和复数。并输出这四个变量的值以及他们的数据类型。"
+			]
+		},
+		{
+			"cell_type": "code",
+			"execution_count": 47,
+			"metadata": {},
+			"outputs": [
+				{
+					"name": "stdout",
+					"output_type": "stream",
+					"text": [
+						"232\n",
+						"1000.0\n",
+						"232\n"
+					]
+				}
+			],
+			"source": [
+				"# 本程序进行华氏温度和摄氏温度之间的转换\n",
+				"# 请通过换算公式来计算相应的摄氏温度值，需给出Python表达式\n",
+				"# 最终输出格式为：华氏**度=摄氏**度\n",
+				"\n",
+				"F = float(input())   # 华氏温度\n",
+				"\n",
+				"#   请在此添加实现代码   #\n",
+				"# ********** Begin *********#\n",
+				"C = ( F - 32 ) * 5 / 9    # 根据换算公式计算相应的摄氏温度值\n",
+				"print(\"华氏%.2f度=摄氏%.2f度\" %(F, C))  #格式化字符串\n",
+				"\n",
+				"# ********** End **********#"
+			]
+		}
+	],
+	"metadata": {
+		"anaconda-cloud": {},
+		"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": "3.8.2"
+		}
+	},
+	"nbformat": 4,
+	"nbformat_minor": 1
+}