# User Interface ## Data Provider * [Introduction](data_provider/index.md) * [Python Use Case](data_provider/python_case.md) ## API Reference * [PyDataProviderWrapper](api/py_data_provider_wrapper.rst) * [Trainer Config Helpers](api/trainer_config_helpers/index.md) ## Command Line Argument * [Use Case](cmd_argument/use_case.md) * [Argument Outline](cmd_argument/argument_outline.md) * [Detail Description](cmd_argument/detail_introduction.md) ## Predict * [Python Prediction API](predict/swig_py_paddle_en.rst)