code: def fit(self, ctx: Context, input_data, validate_data=None) -> None:
      self.summary.compute_metrics(input_data, self.metrics)
  
imports: import logging
  import re
  from typing import List
  import pandas
  from fate.arch import Context
  from ..abc.module import Module
label_desc: Use image node_id 2 for calling the FeatureStatistics obj's underlying member method code with example usage: obj.fit(ctx, input_data, validate_data) without return types