def get(identifier): return get_from_module(identifier, globals(), 'objective')
def get(identifier, kwargs=None): return get_from_module(identifier, globals(), 'optimizer', instantiate=True, kwargs=kwargs)
def get(identifier): return get_from_module(identifier, globals(), 'activation function')
def get(identifier): return get_from_module(identifier, globals(), 'initialization')
def get(identifier, kwargs=None): return get_from_module(identifier, globals(), 'constraint', instantiate=True, kwargs=kwargs)