字符串 1.字符串介绍字符串在python中是基本数据类型，是一个不可变的字符序列 2.字符串的驻留机制仅保存一份相同且不可变字符串的方法,不同的值被存放在字符串的驻留池中,Python的驻留机制对相同的字符串只保留一份拷贝,后续创建相同字符串时,不会开辟新空间,而是把该字符串的地址赋给新创建的变量驻留机制的几种情况（交互模式）字符串的长度为0或1时符合标识符的字符...

文章 2022-12-28 来自：开发者社区

python类与对象入门笔记(基础概念扫盲，面向对象三大特征，多态性与鸭子类型，附demo)

0 类与对象基础介绍类属性实例属性class Car: number=4 # 乘坐人数 def __init__(self,name): self.name=name car1=Car('audi rs4') print(car1.name) print(car1.number) Car.number=7 # 对类属性进行修改 print(car1.number...

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分布式计算框架 MaxCompute MaxFrame

MaxCompute MaxFrame 是阿里云自研分布式计算框架，支持 Python 编程接口并可直接使用 MaxCompute 计算资源及数据接口，与 MaxCompute Notebook、镜像管理等功能共同构成 MaxCompute 完整 Python 开发生态。

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