[{'role': 'system', 'content': "You are an expert in machine learning and your task is to classify the code snippets into categories from the provided list of categories. List of categories: ['helper_functions', 'load_data', 'data_exploration', 'data_preprocessing', 'evaluation', 'modelling', 'prediction', 'result_visualization', 'save_results', 'comment_only']"}, {'role': 'user', 'content': 'Identify to which category the provided code belongs and assign the code snippet to at least 1 but up to 5 categories based on the probabilities, ignore if the probability of the category is negligible. Strictly provide your response as a list. Avoid providing any additional information, commentary, or personal opinions.\\nPython Code:class LabelEncoderPipelineFriendly(LabelEncoder):\n    \n    def fit(self, X, y=None):\n        """this would allow us to fit the model based on the X input."""\n        super(LabelEncoderPipelineFriendly, self).fit(X)\n        \n    def transform(self, X, y=None):\n        return super(LabelEncoderPipelineFriendly, self).transform(X).reshape(-1, 1)\n\n    def fit_transform(self, X, y=None):\n        return super(LabelEncoderPipelineFriendly, self).fit(X).transform(X).reshape(-1, 1)'}, {'role': 'assistant', 'content': "['data_preprocessing']"}]