add quantization

exercises/1-federated_learning/exercise_11.ipynb

...ntization/.ipynb_checkpoints/exercise_20-checkpoint.ipynb

...ntization/.ipynb_checkpoints/exercise_21-checkpoint.ipynb

...ntization/.ipynb_checkpoints/exercise_22-checkpoint.ipynb

...cises/2-quantization/.ipynb_checkpoints/net-checkpoint.py

exercises/2-quantization/__pycache__/net.cpython-36.pyc

...ises/2-quantization/data/cifar-10-batches-py/batches.meta

...ises/2-quantization/data/cifar-10-batches-py/data_batch_1

...ises/2-quantization/data/cifar-10-batches-py/data_batch_2

...ises/2-quantization/data/cifar-10-batches-py/data_batch_3

...ises/2-quantization/data/cifar-10-batches-py/data_batch_4

...ises/2-quantization/data/cifar-10-batches-py/data_batch_5

...cises/2-quantization/data/cifar-10-batches-py/readme.html

exercises/2-quantization/data/cifar-10-batches-py/test_batch

exercises/2-quantization/exercise_20.ipynb

exercises/2-quantization/exercise_21.ipynb

exercises/2-quantization/exercise_22.ipynb