import string import locale locale.setlocale(locale.LC_ALL, locale=('tr_TR', 'utf-8')) ilower = 'I'.lower() print(f'I {ilower} {hex(ord(ilower))}') iupper = 'i'.upper() print(f'I {iupper} {hex(ord(iupper))}') if hex(ord(ilower)) != '0x131': print(f'Failed')