[{'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:import pandas as pd\nimport numpy as np\nimport pyodbc\nimport pandas.core.algorithms as algos\nimport getpass\nfrom sklearn import metrics as met\nimport matplotlib.pyplot as plt\nimport seaborn as sns\nfrom sklearn.cross_validation import cross_val_score, train_test_split\nfrom sklearn.linear_model import LogisticRegression\nimport matplotlib\nimport datetime\nimport ipywidgets as widgets\nimport sys\nsys.path.append('C:/YandexDisk/Work/RevoBigScorring/')\nimport scoringfunctions as sf\nimport woe\n%matplotlib inline\nfrom pylab import rcParams\nrcParams['figure.figsize'] = 7, 7\npd.options.mode.chained_assignment = None\nbadFlag = 'badMob3'\nimport imp\nsf = imp.reload(sf)\nwoe = imp.reload(woe)"}, {'role': 'assistant', 'content': 'helper_functions'}]