class_docstr: FRACTION类
class_docstr_tok: ["FRACTION\u7c7b"]
code: def __init__(self, fraction=None, chntext=None):
      self.fraction = fraction
      self.chntext = chntext
  
imports: import argparse
  import csv
  import os
  import re
  import string
  import sys
label_desc: Use image node_id 1 to create a new Fraction object  with example: obj = Fraction(fraction, chntext)