code: def part_start(self, part: int) -> int:
      return math.ceil(part / self.num_parts * self.size())
  
file_path: PyTorch-BigGraph/torchbiggraph/converters/dictionary.py
imports: import math
  from typing import Dict, List, Tuple
label_desc: Use image node_id 5 for calling the Dictionary obj's underlying member method code with example usage: obj.part_start(part) and returns: math