python读文件保存到字典,修改字典并写入新文件的实例

tcode={}
transcode={}
def GetTcode():
#从文本中获取英文对应的故障码，并保存在tcode字典(故障码文本样例：oxff,0xff,0x00,0x01,	"Fuel Volume Regulator Control Circuit High")
	with open('text_en.txt','r+')as fileone:
		for line in fileone.readlines():
			if not line:
				continue
			line=line.strip()
			titems=line.split('\t')
			strkey=titems[0].lower()
			strtemp=titems[1]
			tcode[strkey]=strtemp
def GetTransCode():
#从文本中获取中文对应的故障码，并保存在tcode字典(故障码文本样例：oxff,0xff,0x00,0x01,	"燃油调节器控制电路过高")
	with open('text_cn.txt','r+') as fileone:
		for line in fileone.readlines():
			if not line:
				continue
			line=line.strip()
			transcode[line.split('\t')[0].lower()]=line.split('\t')[1]
def ReplaTransCode():
#将已经翻译的中文故障码在英文文本中用ID查找出来并替换，对新的tcode字典key进行排序，并写入新的文本中
	for findkey in transcode.keys():
		if tcode.get(findkey,-1)!= -1:
			tcode[findkey]=transcode[findkey]
	templine=[]
	lkeys=tcode.keys()
	lkeys.sort()
	for key in lkeys:
		value=tcode.get(key)
		key=key.upper().replace("0X","0x")
		templine.append("%s\t%s\n"%(key,value))
	with open('text_trans.txt','w+') as filetwo:
		filetwo.writelines(templine)
if __name__ == '__main__':
	GetTcode()
	GetTransCode()
	ReplaTransCode()