Pythontxt文件内容修改

Question

这是问题和对应的代码，但是这个代码报错，请求小伙伴指错，纠正，给出正确解答，谢谢啦

Answer 1

with open('data.txt','w+') as usrFile:
    asd = usrFile.readlines()
    asd[2] = asd[2][0:6]+"******"+asd[2][19:]
    asd[3] = asd[3][0:6]+"****"+asd[3][12:]
    for i in asd:
        usrFile.write(i)

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