code: def test_floats(self):
      for num in [
          1617161771.7650001,
          math.pi,
          math.pi**100,
          math.pi**-100,
          3.1,
      ]:
          self.assertEqual(float(self.dumps(num)), num)
          self.assertEqual(self.loads(self.dumps(num)), num)
  
file_path: cpython/Lib/test/test_json/test_float.py
imports: import math
  from test.test_json import PyTest, CTest
label_desc: Use image node_id 1 for calling the TestFloat obj's underlying member method code with example usage: obj.test_floats() without return types