Python: int to binary stream element?

Question

If you have a int and you wish to convert it to a single char string you can use the function chr()

Is there a way to convert an int to a single char binary stream?

e.g:

>>> something(97)
b'a'

What is the something?

Answer 1

You can do:

bytes(chr(97))

Answer 2

In Python 3.x:

>>> bytes([97])
b'a'