缓冲区大小VS在Python中读取二进制文件时的文件大小

buffersize=50000
inflie = open('in.jpg','rb')
outfile = open('out.jpg','wb')

buffer = infile.read(buffersize)

while len(buffer):
    outfile.write(buffer)
    buffer = infile.read(buffersize)
buffersize=50000
inflie = open('in.jpg','rb')
o