[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify code snippets into one of the following categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']."}, {'role': 'user', 'content': 'Identify the single most appropriate category to which the provided code belongs. Provide your response as a single category label without any additional information, commentary, or personal opinions.\\nPython Code:from keras.models import model_from_json\nfrom keras.layers import Input, Dense\nfrom keras.models import Model\nimport csv\nimport pandas as pd\nimport numpy as np\nimport cv2\nfrom numpy import newaxis\nfrom PIL import Image\nfrom numpy import array\nimport glob, os\nimport matplotlib.pyplot as plt\nfrom keras.models import Sequential\nfrom keras.layers import Dense, Dropout, Flatten, Lambda, ELU,Activation,MaxPooling2D\nfrom keras.layers.convolutional import Convolution2D\nfrom numpy import random\nfrom keras.optimizers import SGD, Adam, RMSprop\nimport json\nimport os\nimport h5py\nimport math\nfrom sklearn.cross_validation import train_test_split'}, {'role': 'assistant', 'content': 'helper_functions'}]