学习笔记

摘要： #!/usr/bin/python # -*- coding: utf-8 -*- with open('e:/123.txt') as fp:row = fp.readlines() #打开并读取所有数据行到列表后赋值给变量 row Category = [] [Category.append(row[i]) for i in range(len(row)) if row[i] not in... 阅读全文