convert arabic alphabet to persian in python

converter.py

def arabic_to_persian(text: str) -> str:
    # arabic: persian
    characters = {
        'ك': 'ک',
        'دِ': 'د',
        'بِ': 'ب',
        'زِ': 'ز',
        'ذِ': 'ذ',
        'شِ': 'ش',
        'سِ': 'س',
        'ى': 'ی',
        'ي': 'ی',
        '١': '۱',
        '٢': '۲',
        '٣': '۳',
        '٤': '۴',
        '٥': '۵',
        '٦': '۶',
        '٧': '۷',
        '٨': '۸',
        '٩': '۹',
        '٠': '۰',
    }

    for arabic, persian in characters.items():
        text = text.replace(arabic, persian)

    return text