def lowercaseTR(text:str) -> str:
    """Returns lowercased text that is sensetive to I and İ letters"""
    def Ii_Transform(letter:str) -> str:
        """Replaces I with ı and İ with i"""
        if letter=='I':
            letter='ı'
        elif letter=='İ':
            letter='i'
        return letter
    
    new_text =[Ii_Transform(letter) for letter in text]
    return ("".join(new_text)).lower()