Difference between str.isdigit() and str.isdecimal() in Python 3

[Ulrich Eckhardt]

Marco wrote:
>  >>> '123'.isdecimal(), '123'.isdigit()
> (True, True)
>  >>> print('\u0660123')
> ٠123
>  >>> '\u0660123'.isdigit(), '\u0660123'.isdecimal()
> (True, True)
>  >>> print('\u216B')
> Ⅻ
>  >>> '\u216B'.isdecimal(), '\u216B'.isdigit()
> (False, False)

[chr(a) for a in range(0x20000) if chr(a).isdigit()]

Congratulations, you found a bug! Or maybe not, it all depends on whether 
Roman numbers are considered digits or not. I could imagine there being a 
difference.

:)

Uli