code: def test_decimal_encode(self):
      for d in map(Decimal, self.NUMS):
          self.assertEqual(self.dumps(d, use_decimal=True), str(d))
  
file_path: catboost/contrib/python/simplejson/py2/simplejson/tests/test_decimal.py
imports: import decimal
  from decimal import Decimal
  from unittest import TestCase
  from simplejson.compat import StringIO, reload_module
  import simplejson
label_desc: Use image node_id 3 for calling the TestDecimal obj's underlying member method code with example usage: obj.test_decimal_encode() without return types