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python全栈之路数据类型
python全栈之路数据类型
Python全栈之路
:基本
数据类型
数字number整数int浮点数float复数complex小整数池:5~257布尔值boolTrueFalse三元运算符:result=value1 if condition else value2字节bytes与字符串string字节 –>decode –>字符串字符串 –>encode –>字节设置参数:encoding=“utf-8...
Python全栈之路
:基本
数据类型
数字number整数int浮点数float复数complex小整数池:5~257布尔值boolTrueFalse三元运算符:result=value1 if condition else value2字节bytes与字符串string字节 –>decode –>字符串字符串 –>encode –>字节设置参数:encoding=“utf-8...
6
Python全栈之路
系列之元组
数据类型
'ansheng'},'list_a']元组的元素本身是不可修改的,但是如果元组的元素是个列表或者字典那么就可以被修改 切片原地修改不可变
类型
1 2 3 4>>>T=(1,2,3)>>>T=T[:2]+(4,)>>>T(1,2,4)本文转自 Edenwy 51CTO博客,原文链接:...
3
Python全栈之路
系列之字符串
数据类型
创建字符串类型可以使用单引号或者双引号又或者三引号来创建,实例如下:单引号 1 2 3 4>>string='ansheng'#type是查看一个变量的
数据类型
>>>type(string)双引号 1 2 3 4>>>string="ansheng"#type是查看一个变量的
数据类型
>>>type(string)...
2
Python全栈之路
系列之MysQl基本
数据类型
Python全栈之路
系列之MySQL基本
数据类型
MySQL中定义数据字段的类型对你数据库的优化是非常重要的。MySQL支持多种类型,大致可以分为三
类
:数字类型 日期和时间类型 字符串类型 数字类型 类型 大小 用途 BIT-二进制 TINYINT 1字节 小整数值...
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交互式建模(PAI-DSW)
PAI-DSW是为算法开发者量身打造的云端深度学习开发环境,内置JupyterLab、WebIDE及Terminal,无需任何运维配置即可编写、调试及运行Python代码。支持多个开源框架安装,并提供阿里巴巴深度优化的Tensorflow框架。
立即开通
产品控制台
产品文档
学习指南
PAI-DSW入门指南
实践案例
产品活动
DSW探索者版限时免费
全新发布
DSW Gallery重磅上线
金融量化科学计算实践
业务讨论
加入钉钉群
开发者社区
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交互式建模(PAI-DSW)
PAI-DSW是为算法开发者量身打造的云端深度学习开发环境,内置JupyterLab、WebIDE及Terminal,无需任何运维配置即可编写、调试及运行Python代码。支持多个开源框架安装,并提供阿里巴巴深度优化的Tensorflow框架。
立即开通
产品控制台
产品文档
学习指南
PAI-DSW入门指南
实践案例
产品活动
DSW探索者版限时免费
全新发布
DSW Gallery重磅上线
金融量化科学计算实践
业务讨论
加入钉钉群
开发者社区