def crossover(parent1: Organism, parent2: Organism, method: str) -> Tuple:
"""
Convenience function for computing two children via crossover
:param parent1: Organism
:param parent2: Organism
:param method: 'pmx', 'order_based', 'position_based' or 'random'
:return: two children
"""
return parent1.crossover(parent2, method=method)
