from .armar_6 import A6
from .armar_de import AD
from .armar_3 import A3



def robot_by_name(robot_name: str=None):
    if robot_name == 'A6':
        return A6()
    elif robot_name == 'AD':
        return AD()
    elif robot_name == 'A3':
        return A3()
    return None
