python怎么读文件

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#!usr/bin/env python# encoding:utf-8###删除包含关键字" Time taken: 0."def readfile(filename):    lines = [line for line in open(filename)]def printTimeTaken(filename):    filename="data/aaa.csv"    lines = [line for line in open(filename)]    for line in lines[: ]:        if not line.__contains__("Time taken: 0."):            print(line.replace('\n', ''))def appendToFile(context,filepath):    print()def contactexp(tb,date_list,cpexp,file,filesql):        for tbname in tb:            if tbname.replace('\n','').endswith("day") or tbname.replace('\n','').endswith("semester")or tbname.replace('\n','').endswith("7days"):                for date_item in date_list:                    file.write(cpexp.format_map(vars()).lower() + "\n")                    filesql.write(addPart.format_map(vars()).lower()+"\n")            else:                date_item='2020-08-01'                file.write(cpexp.format_map(vars()).lower() + "\n")                filesql.write(addPart.format_map(vars()).lower()+"\n")def whh(filename,file,filesql):    with open(file, "w+") as file:        with open(filesql, "w+") as filesql:            tbname_list=[]            lines = [line for line in open(filename)]            for line in lines[: ]:                if line.lower().replace('\n','').endswith("_"):                    tbname_list=[line.lower().replace('\n','')+"day",line.lower().replace('\n','')+"week",line.lower().replace('\n','')+"semester",line.lower().replace('\n','')+"7days"]                   # tbname_list = [line.lower().replace('\n', '') + "week"]                    contactexp(tbname_list, date_list, cpexp, file,filesql)                else:                    #for date_item in date_list:                    date_item = '2020-08-01'                    tbname=line.lower().replace('\n','')                    file.write(cpexp.format_map(vars()).lower() + "\n")                    filesql.write(addPart.format_map(vars()).lower() + "\n")#date_list=["2020-06-15","2020-06-16","2020-06-17","2020-06-18","2020-06-19","2020-06-20","2020-06-21"]date_list=["2020-08-01"]cpexp="hadoop fs -rm -r /user/hive/warehouse/dev_treasury.db/{tbname}/day={date_item} \n hadoop distcp hdfs://10.1.11.3:8020/user/hive/warehouse/treasury.db/{tbname}/day={date_item} hdfs://sandbox-hadoop-03.xuele.net:8020/user/hive/warehouse/dev_treasury.db/{tbname}/day={date_item}"addPart="alter table {tbname} add partition (day='{date_item}');"#fileC= open("data/shell", 'w')file="data/shell"filesql="data/sql"#date_list.append()print("test")#for date_item in date_list:#    print(date_item.replace('\n',''))tbname_list=whh("data/replyjob",file,filesql)#contactexp(tbname_list,date_list,cpexp,file)

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