def _remove(self, cmdset_a, cmdset_b):

        cmdset_c = cmdset_a._duplicate()
        cmdset_c.commands = [cmd for cmd in cmdset_b if not cmd in cmdset_a]
        return cmdset_c
Determine outer indices of a power or an exponential.
dataset/ETHPy150Open evennia/evennia/evennia/commands/cmdset.py/CmdSet._remove--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/tensor/index_methods.py/_get_indices_Pow