python 3 bytes比较

Question

问题代码:

if ch>=b'0'

(Pdb) type(ch)
<class 'bytes'>
(Pdb) type(b'0')
<class 'bytes'>

TypeError: '>=' not supported between instances of 'bytes' and 'str'
请问该如何解决?

需要完整代码吗

Answer 1

都转化为int类型进行比较

num = int(b'0')
ch = int(ch)
if ch >= num:
    pass