def __init__(self, players, interactions, with_morality=True):
        self.players = players
        self.nplayers = len(players)
        self.interactions = interactions
        self.nrepetitions = len(interactions)

        # Calculate all attributes:
        self.build_all(with_morality)
Sphere fitting constraint
dataset/ETHPy150Open Axelrod-Python/Axelrod/axelrod/result_set.py/ResultSet.__init__--crossover with--dataset/ETHPy150Open mne-tools/mne-python/mne/dipole.py/_sphere_constraint