@staticmethod
def __ParseVar(var: int, per_request=50) ->list:
    """used for calculate number of requests depending on per_request and number

        Parameters
        ----------
        var : int
            number of items
        per_request : int
            number of items per request default=50
        
        Returns
        -------
        list
            [number_or_requests, number_of_left, per_request]
        """
    if var > per_request:
        request_number = var // per_request
        request_number_left = var % per_request
        if request_number_left > 0:
            request_number += 1
        else:
            request_number = request_number
    else:
        request_number = 1
        request_number_left = var
    return [request_number, request_number_left, per_request]
