python 如何打印bytes以16进制输出

Question

例如

a=b'\x58\x01'
print(a)

结果:

b'X\x01'

我想打印

b'\x58\x01'

怎么格式化输出？

Answer 1

''.join(map(lambda x:('/x' if len(hex(x))>=4 else '/x0')+hex(x)[2:],a))

Answer 2

def trans(s):
    return "b'%s'" % ''.join('\\x%.2x' % x for x in s)

print(trans(b'\x58\x01'))