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Freeman Python Learning学习小结:

回顾练习过程:

总体评估

完成前ex40的练习,整体流畅,遇到小困难,但最后检索和请教得以解决。

个人背景:

蔡梦飞Freeman,男,90后,神经科学PhD在读。

乔布斯说每个人都应懂得编程,而且Coding是21世纪的必备技能,加之博士期间涉及到生物信息学相关的信息处理,因此顺着兴趣,决定以目前最伟大的编程语言之一 —— Python为契机,培养自己的编程思维,并希望“学习改变生活”,为今后自己的学习和生活带来帮助,提高生产率。

因为自己一直有英文阅读原著的习惯,而且英文阅读还算扎实,所以在看英文版的《Learn The Python Hard Way》的过程中阅读本身障碍不大;但涉及到专业术语的个别解释,还是做了不少背后功夫才得以真正理解。

本科期间对编程感兴趣自学了C语和网络技术,并通过国家计算机二级和三级考试。但是生物医疗和coding关系甚微,近五年对coding的认识几乎空白。恰如演讲、写作是任何个人长期职业发展的必备技能一样,Coding亦是如此,也在日已成为一个人的必备技能,它终将影响甚至改变我们的生活。

开智学堂由博采众长的大师级人物阳志平创立,其个人的远见卓识着实令人钦佩和敬仰。其旗下的系列产品和课程关注已久,为顺应大趋势的要求、个人兴趣、开智的口碑,遂决定参加此编程学习课程,通过Python启蒙,希望进入Coding世界。

平心而论,因为一点点C语言的基础,LTPHW的前30个exercise,遇到一些小问题,比如基本的语法规则,数据类型认知花了不少时间,但这些基本的概念,借助强大的Google和大量的时间投入,都自然迎刃而解。但30-40引入module和class的概念,我必须承认,因为提交作业deadline的缘故,有些囫囵吞枣,后期需要回顾深入。

复盘解题过程:

万能Google:

万事问Google:对于codingd学习,遇到任何问题都应第一时间去检索,寻求答案,我们遇到的问题9至少九成,可以找到答案。当然,不错的检索能力(能有Googel和检索技巧)很重要。

寻师问友:

由于缺乏知识体系,相对复杂的问题,无法真正透彻理解,需要请教计算机背景的朋友帮忙指点。 比如:python的函数和编码规则,尤其是函数细节,注重缩进indent 4 space,否则容易报错,而高人指点,认识更加深刻。

纲举目张:

对不懂的函数和功能,多查阅背景解释和code示例,并归类做笔记整理,第一次费解的知识点,往往会多次出现,影响我们的学习进度。 比如:list的书中提及的功能较少,然而它还有诸多功能值得挖掘和尝试。 ---> append, count, extend, index, insert, pop, remove, reverse, sort

举一反三:

改弦更张 --->书中给出的code能不能进行改写,然后执行相同的功能?while-loop是不是可以改写为for-loop。这一点,也是Shaw在Study Drills中反复强调的——鼓励我们思维发散,尝试多种可能性。