class_docstr: PERCENTAGE类
class_docstr_tok: ["PERCENTAGE\u7c7b"]
code: def percentage2chntext(self):
      return "百分之" + num2chn(self.percentage.strip().strip("%"))
  
imports: import argparse
  import csv
  import os
  import re
  import string
  import sys
label_desc: Use image node_id 3 for calling the Percentage obj's underlying member method code with example usage: obj.percentage2chntext() and returns: unknown