Python第十讲文件操作(3)trancuate方法

#trancuate
fw=open("D:\BaiduYunDownload\\test01.txt","w")
fw.write(u"测试吧，中国骚年")
fw.write("fsdf\n")
print(fw.tell())
p=[",,","11","22","\n"]
fw.writelines(p)
fw.close()
fq=open("D:\BaiduYunDownload\\test01.txt","a")
fq.truncate(15)
fq.close()