介绍
这篇文章主要讲解了“python怎么读文件”,文中的讲解内容简单清晰,易于学习与理解,下面请大家跟着小编的思路慢慢深入,一起来研究和学习“python怎么读文件”吧!
# !/usr/bin env python #,编码:utf - 8 # # #删除包含关键字”,Time 采取:0。” def readfile(文件名): ,,,lines =, (line for  line 拷贝开放(文件名) def printTimeTaken(文件名): ,,,文件名=笆?aaa.csv" ,,,lines =, (line for  line 拷贝开放(文件名) ,,,for line 拷贝行[:]: ,,,,,,,if not line.__contains__ (“Time 采取:0 !”): ,,,,,,,,,,,印刷(line.replace (& # 39; \ n # 39;,, & # 39; & # 39;)) filepath def appendToFile(背景): ,,,print () def contactexp(结核病、date_list cpexp、文件、filesql): ,,,,,,,for tbname 结核病:拷贝 ,,,,,,,,,,,if tbname.replace (& # 39; \ n # 39; & # 39; & # 39;) .endswith (“day"),或是tbname.replace (& # 39; \ n # 39; & # 39; & # 39;) .endswith (“semester")或是tbname.replace (& # 39; \ n # 39; & # 39; & # 39;) .endswith (“7 days"): ,,,,,,,,,,,,,,,for date_item 拷贝date_list: ,,,,,,,,,,,,,,,,,,,file.write (cpexp.format_map (var ()) .lower (), +,“\ n") ,,,,,,,,,,,,,,,,,,,filesql.write (addPart.format_map (var ()) .lower () +“\ n") ,,,,,,,,,,,其他的: ,,,,,,,,,,,,,,,date_item=& # 39; 2020 - 08 - 01 & # 39; ,,,,,,,,,,,,,,,file.write (cpexp.format_map (var ()) .lower (), +,“\ n") ,,,,,,,,,,,,,,,filesql.write (addPart.format_map (var ()) .lower () +“\ n") def whh(文件名,文件,filesql): ,,,with 打开(文件,,“w +“), as 文件: ,,,,,,,with 开放(filesql,,“w +“), as filesql: ,,,,,,,,,,,tbname_list=[] ,,,,,,,,,,,lines =, (line for  line 拷贝开放(文件名) ,,,,,,,,,,,for line 拷贝行[:]: ,,,,,,,,,,,,,,,if line.lower () .replace (& # 39; \ n # 39; & # 39; & # 39;) .endswith (“_"): ,,,,,,,,,,,,,,,,,,,tbname_list=[line.lower () .replace (& # 39; \ n # 39; & # 39; & # 39;) +“day", line.lower () .replace (& # 39; \ n # 39; & # 39; & # 39;) +“week", line.lower () .replace (& # 39; \ n # 39; & # 39; & # 39;) +“semester", line.lower () .replace (& # 39; \ n # 39; & # 39; & # 39;) +“7 days"】 ,,,,,,,,,,,,,,,,,,#,tbname_list =, (line.lower () .replace (& # 39; \ n # 39;,, & # 39; & # 39;), +,“week"】 ,,,,,,,,,,,,,,,,,,,contactexp (tbname_list, date_list,, cpexp,,文件,filesql) ,,,,,,,,,,,,,,,其他的: ,,,,,,,,,,,,,,,,,,,# for date_item 拷贝date_list: ,,,,,,,,,,,,,,,,,,,date_item =, & # 39; 2020 - 08 - 01 & # 39; ,,,,,,,,,,,,,,,,,,,tbname=line.lower () .replace (& # 39; \ n # 39; & # 39; & # 39;) ,,,,,,,,,,,,,,,,,,,file.write (cpexp.format_map (var ()) .lower (), +,“\ n") ,,,,,,,,,,,,,,,,,,,filesql.write (addPart.format_map (var ()) .lower (), +,“\ n") null null null null null null null null null null null null null null null nullpython怎么读文件