Python学习8---复制原文件中的内容***

#Author：Du Yang 
#Data:2018/7/12
f_read = open("春晓", "r",encoding="utf8")
#f_read仅仅是找到文件地址，并非将数据存放在f_read中
f_write = open("春晓1", "w", encoding="utf8")

num = 0
for i in f_read:
    num += 1
    if num == 2:
        i = "".join((i.strip(), "杜甫\n"))
    f_write.write(i)
f_write.close()
f_read.close()