Python change decimal places to unicode subscript

subscript_floats.py

def asSubstring(number):
    result = []
    decimal = False
    for n in str(number):
        if n == '.':
            decimal = True
        else:
            result.append(chr(int(n) + 48 + 8272 * decimal))
    return u''.join(result)
asSubstring(123.456)

# '123₄₅₆'