def read_file_to_list(filename):
    result = []
    try:
        f = open(filename, 'r', encoding='utf-8')
        lines = f.readlines()
        f.close()
        for line in lines:
            line = line.strip()
            if line == '': 
                continue
            elements = line.split(',')
            row = []
            for elem in elements:
                elem = elem.strip()
                if elem.isdigit() or (elem.startswith('-') and elem[1:].isdigit()):
                    row.append(int(elem))
                else:
                    try:
                        if '.' in elem:
                            parts = elem.split('.')
                            if len(parts) == 2:
                                if (parts[0].isdigit() or (parts[0].startswith('-') and parts[0][1:].isdigit())) and parts[1].isdigit():
                                    row.append(float(elem))
                                else:
                                    row.append(elem)
                            else:
                                row.append(elem)
                        else:
                            row.append(elem)
                    except:
                        row.append(elem)
            
            result.append(row)
            
    except FileNotFoundError:
        print(f"Ошибка: Файл '{filename}' не найден!")
        return []
    
    return result