code: def __init__(self, learning_rate=0.01, momentum=0):
      self.learning_rate = learning_rate
      self.momentum = momentum
      self.w_updt = None
  
file_path: ML-From-Scratch/mlfromscratch/deep_learning/optimizers.py
imports: import numpy
  from mlfromscratch.utils import make_diagonal, normalize
label_desc: Use image node_id 1 to create a new StochasticGradientDescent object  with example: obj = StochasticGradientDescent(learning_rate, momentum)