1. 라이브러리 설치 import csv import string import numpy as np import tensorflow as tf import matplotlib.pyplot as plt from tensorflow.keras.preprocessing.image import ImageDataGenerator, array_to_img 2. 데이터 다운로드 및 변수 설정 # sign_mnist_train.csv !gdown --id 1z0DkA9BytlLxO1C0BAWzknLyQmZAp0HR # sign_mnist_test.csv !gdown --id 1z1BIj4qmri59GWBG4ivMNFtpZ4AXIbzg TRAINING_FILE = './sign_mnist_train.csv' VALIDA..