src = ('\uff11', '\uff12', '\uff13', '\uff14', '\uff15', '\uff16',
    '\uff17', '\uff18', '\uff19', '\uff11\uff10')
dst = '1', '2', '3', '4', '5', '6', '7', '8', '9', '0'
string = 'a\uff11\uff12\uff13'
for i, j in zip(src, dst):
    string = string.replace(i, j)
string
Python: How can I replace full-width characters with half-width characters?