摘要： Time module: 1. Time() meaning how many second passed after year 1970.(epoch) 2. Gmtime()(takes one argument) function convert the timestamp to struct 阅读全文

摘要： 1. Use set() function to show only unique elements. And we can add() and remove() in a set. Also, it is allowed to use list() to change set into a lis 阅读全文

摘要： 1. Global scope value can not be changed in function. 2. We can define a global variable in a function by using global. 3. Rules of using variable: Fi 阅读全文

摘要： Modile: 1. Python module have to be saved as .py file. Classes: 1. In the class, we have to define a function __init__(self) first. And __init__ is a 阅读全文

摘要： 1. It is different from "4 space" and "1 tab" in the python!!! 2. Use the commend "a in b" is a True of False commend. We use it to justice whether el 阅读全文

摘要： 1.Python can only print out string. So if we have to convert all the non-string to string before print it out. 2.Objective Oriented Programming:Class, 阅读全文

摘要： 从今天开始会慢慢更新机器学习的学习笔记，本人在机器学习方面基本上是从零开始的。以下是本人的基本背景： 1. 英文听说读写流畅。 2. 有一定的网页编程基础。 3. 大学数学水平中等。 4. 无机器学习经验。 本人计划在8个月内（2017年4月）之前将机器学习水平提升至入门至中等级别并且找到相关专业的 阅读全文