# # f=open('eze.py','rb',encoding='utf-8')#b代表二进制那么就不能指定编码encoding
# f=open('eze.py','rb')
# # print(f.read())#
表示换行,b'qqq
xe4xbdxa0xe5xa5xbd
123'
# #字符串----encode-----》字节bytes
# #字节bytes------decode----->‘字符串’
# data=f.read()
# print(data.decode('utf-8'))
# f=open('eze.py','wb')
# f.write(bytes('你好
',encoding='utf-8'))#用byte转换你好为byte然后用utf编码
f=open('eze.py','ab')
f.write('美女'.encode('utf-8'))#追加二进制内容用。encode()