python 字符串替換 本地地址轉換爲網絡地址

f = open('MUSICFile.txt','r',encoding='utf8')
w = open('MyError.txt','w',encoding='utf8')
for lines in f.readlines():
    print(lines[2:])
    w.write("http:\\\\192.168.1.2"+lines[2:]);     
    #print(lines,end='')
f.close()
w.close()