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Python数据处理
book

Python数据处理

by Jacqueline Kazil, Katharine Jarmul
July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Posts & Telecom Press
Content preview from Python数据处理
334
附录A
编程语言对比
通常情况下,当你使用某种编程语言时,其他人都会问你选择这种语言的原因。为什么不
X
Y
呢?
X
Y
的选择有许多,这取决于提问者都知道哪些语言,也取决于他是不
是一个狂热的开发者。要试着理解他们问这个问题的原因,也最好思考一下自己的回答:
为什么选择
Python
?本附录将对比
Python
和其他有用的编程语言,你可以据此回答上述
问题,也可以深入理解我们选择编程语言的理由。
A.1
 
C
C++
Java
Python
C
C++
Java
相比,
Python
很容易学习,特别是对没有计算机背景的人来说。许多和
你起点相同的人已经可以开发插件和有用的工具,使
Python
在数据科学和数据处理领域更
加强大、更加高效。
至于技术性差异,
Python
是一种高级语言,而
C
C++
是低级语言。
Java
是高级语言,
但又有一些低级语言的特性。这是什么意思?高级语言将与计算机架构的交互抽象化,你
可以输入代码字(
code word
,比如
for
循环或变量定义),高级语言会将其编译成计算机
可以执行的代码,而低级语言会直接处理这些代码字。与高级语言相比,低级计算机语言
的运行速度更快,可以更直接地控制系统,从而优化内存管理等。高级语言更容易学习,
因为它已经帮你完成了大多数低级别的任务。
对于本书中的练习而言,不需要系统控制,也不需要将运行时间缩短数秒,所以我们不需
要用到低级语言。虽然
Java
也是高级语言,但它的学习难度比
Python
更高,你需要更长
时间才能上手。
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Publisher Resources

ISBN: 9787115459190