#improt time module for count down puase time import time #set var for loop counting counter=1 #login setting while counter<=3: print('please enter username: ') username=input() print('please enter password: ') password=input() #dict for username and…

Vertification of an assignment from Stochastic Processing. Using Brute Force and "itertools" library. import itertools dim = 100 m = list(range(1, dim+1)) w = list(range(-1, -dim-1, -1)) num = 0 global zero_num zero_num = 0 m_all = list(itertool…

Introduction ffpython is a C++ lib, which is to simplify tasks that embed Python and extend Python. As the author, I am a developer for MMO server. Mainly I use C++ to implement part that needs to response user's requests in realtime, while other log…

https://www.analyticsvidhya.com/blog/2015/08/common-machine-learning-algorithms/?spm=5176.100239.blogcont61037.12.0MhmIg https://yq.aliyun.com/articles/61037?spm=5176.100239.bloglist.110.rlSDN9 We are probably living in the most defining period of hu…

I've got some files which can help a little bit to figure out where people are from based on their ID card NO. That file looks like this: Then I converted it into *.csv format which is basically a text file. It's not hard that almost every common doc…

A Complete Tutorial to Learn Data Science with Python from Scratch Introduction It happened few years back. After working on SAS for more than 5 years, I decided to move out of my comfort zone. Being a data scientist, my hunt for other useful tools w…

python coding style guide 的高速落地实践 机器和人各有所长,如coding style检查这样的可自己主动化的工作理应交给机器去完毕,故发此文帮助你在几分钟内实现coding style的自己主动检查. 1.有哪些著名的Python Coding Style Guide PEP8 https://www.python.org/dev/peps/pep-0008/ 发明Python语言丰碑人物Guido van Rossum的亲自写的Coding Style, 知名度5颗…

1. I/O API工具 读取函数 写入函数 read_csv to_csv read_excel to_excel read_hdf to_hdf read_sql to_sql read_json to_json read_html to_html read_stata to_stata read_clipboard to_clipboard read_pickle to_pickle read_msgpack to_mspack read_gbq to_gbq 2. 读写CSV文件 文件的…

python coding style guide 的快速落地实践 机器和人各有所长,如coding style检查这种可自动化的工作理应交给机器去完成,故发此文帮助你在几分钟内实现coding style的自动检查. 1.有哪些著名的Python Coding Style Guide PEP8 https://www.python.org/dev/peps/pep-0008/ 发明Python语言丰碑人物Guido van Rossum的亲自写的Coding Style, 知名度5颗星,可操作…

一.NumPy 1.NumPy:Numberical Python 2.高性能科学计算和数据分析的基础包 3.ndarray,多维数组(矩阵),具有矢量运算的能力,快速.节省空间 (1)ndarray,N维数组对象(矩阵) (2)所有元素必须是相同类型 (3)ndim属性,维度个数 (4)shape属性,各维度的大小 (5)dtype属性,数据类型 4.矩阵运算,无需循环,可完成类似Matlab中的矢量计算 5.线性代数.随机数生成 6.import numpy as np narray多维数组…