import numpy as np

import megengine as mge
import megengine.autodiff as ad
import megengine.optimizer as optimizer
from megengine import Parameter, tensor
from megengine.core.tensor.raw_tensor import RawTensor
from megengine.module import Module


class Simple(Module):
    def __init__(self):
        super().__init__()
        self.a = 
Parameter(1.23, dtype=np.float32)