#文件的复制1.py

def copy():

 file_read1 = open("/usr/bin/ls",mode="rb")#source文件

 file_write1 = open("/root/day3/new",mode="wb")#目标路径

 while True:

     data = file_read1.read(4096)

     if len(data) == 0:

         break

     file_write1.write(data)

 file_read1.close()

 file_write1.close()

 print("完成")

copy()