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爬虫一般是指网络资源的获取,因为python的脚本特征,Python易于配置,对字符的处理也非常灵活,加上python有丰富的网络抓取模块,所以两者经常联系在一起。
接下来我们可以详情了解python到底有什么作用。
首先Python翻译成汉语是蟒蛇的意思,并且Python的logo也是两条缠绕在一起的蟒蛇的样子,然而Python语言和蟒蛇实际上并没有一毛钱关系。
那么Python到底有什么应用方向和特点呢?下面由我来为大家揭晓!!!
Python的应用方向:
①常规软件开发 ② 科学计算
③ 自动化运维 ④ 云计算
⑤ WEB开发 ⑥ 网络爬虫
⑦ 数据分析 ⑧ 人工智能
Python的特点:
① 简单易学、明确优雅、开发速度快。
② 跨平台、可移植、可扩展、交互式、解释型、面向对象的动态语言。
③ “内置电池”,大量的标准库和第三方库。
④ 社区活跃,贡献者多,互帮互助。
⑤ 开源语言,发展动力巨大。
最后我们会发现与C 和 Java
比,Python的学习成本和难度曲线不是低一点,更适合新手入门,自底向上的技术攀爬路线。先订个小目标爬个小山,然后再往更高的山峰前进。而不像C和JAVA光语言学习本身,对于很多人来说就像珠穆朗玛峰一样高不可攀。
Python的语法非常简洁,代码量少,非常容易编写,代码的测试、重构、维护等都非常容易。一个小小的脚本,用C可能需要1000行,用JAVA可能几百行,但是用Python往往只需要几十行!而在当前互联网的时代,产品最讲究的就是速度。如果在之前别人家的产品已经上线了,那么你也就没有生存空间了,这里的真实例子数不胜数。那么,Python的开发速度说第二没人敢称第一!