复制视频

# 复制视频
import os
size = os.path.getsize(r'D:\python文件\day5\day1.mp4')
f=open(r'D:\python文件\day5\day1.mp4',mode='rb')
f2 = open(r'b.mp4',mode='wb')
while size>1024:
    content= f.read(1024)
    # print(content)
    f2.write(content)
    size-=1024
else:
    content=f.read(size)
    f2.write(content)
    print('------->',content)
f.close()
f2.close()
import os
os.remove(r'D:\python文件\day5\day1.mp4')
os.rename(r'b.mp4','D:\python文件\day5\day1.mp4')