Triple-L

#coding:utf-8 SQL_STR_FORMAT = '''insert into traffic(district,yi,er,san,si,time) values( '{0}','{1}','{2}','{3}','{4}',{5});''' datapath = r'C:\Users\ALI\PycharmProjects\data2sql\data\traffic_data' im

pca.py#!-coding:UTF-8- from numpy import * import numpy as np def loadDataSet(fileName, delim='\t'): fr = open(fileName) stringArr = [line.strip().split(delim) for line in fr.readlines()] d