# -*- coding: utf-8 -*-


def __len__(self):
    """Method to behave like a dict and the number of keys"""
    return self._statements.__len__()

# -*- coding: utf-8 -*-


def __len__(self):
    """Method to behave like a dict and the number of keys"""
    return self._statements.__len__()

# -*- coding: utf-8 -*- Method to behave like a dict and the number of keys