MJ的博客

import matplotlib.pyplot as plt import pandas as pd import numpy as np import pymysql from sklearn.neighbors import KNeighborsClassifier #依赖 pip install numpy pandas matplotlib sklearn #1.训练数据集与测试数据集 #https://archive.ics.uci.edu/ml/machine-learning-dat

import pymysql import redis import time def main(): testMysql() testRedis() def testRedis(): client = redis.Redis(host='192.168.203.143', port=6379, password=None) client.set('username','jowolf',ex='3') print(client.keys("*")) ...

#!/bin/python # 最后的exit code 0 表示脚本正常执行，同shell # 1.基本类型：int str bool float,注意转换必须是str+str,区别Java1 print(str(111) + "222") # 2.数据类型：序列:str ,列表[0,'22'],元祖（22，33）都是序列,列表较元祖多一些CURD功能,类比Java集合数组 sequence ...

1.SDK下载 官网下载python3/python2（老项目需要），均下载可执行文件方便安装。https://www.python.org/downloads/windows/ python3:https://www.python.org/ftp/python/3.8.1/python-3.8.1.exe python2:https://www.python.org/ftp/python/...