[{'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:mut_cna_df = ccal.read_gct(MUT_CNA_DATASET)\ngene_dependency_df = ccal.read_gct(GENE_DEPENDENCY_DATASET)\ngene_expression_df = ccal.read_gct(GENE_EXPRESSION_DATASET)\npathway_expression_df = ccal.read_gct(PATHWAY_EXPRESSION_DATASET)\nregulator_df = ccal.read_gct(REGULATOR_DATASET)\nprotein_expression_df = ccal.read_gct(PROTEIN_EXPRESSION_DATASET)\ntissue_df = ccal.read_gct(TISSUE_DATASET)\ndrug_sensitivity_df = ccal.read_gct(DRUG_SENSITIVITY_DATASET)'}, {'role': 'assistant', 'content': 'load_data'}]