code: def test_simple(self):
      two_rows = [
          {"stage": "forward", "total": "0.011"},
          {"stage": "comput_loss", "total": "0.000"},
      ]
      in_table_form = ascii_table(two_rows)
  
      output = (
          "+-------------+-------+\n"
          "|     forward | 0.011 |\n"
          "| comput_loss | 0.000 |\n"
          "+-------------+-------+"
      )
      self.assertEqual(in_table_form, output)
  
imports: import unittest
  from pytext.utils.ascii_table import ascii_table
label_desc: Use image node_id 1 for calling the TestTables obj's underlying member method code with example usage: obj.test_simple() without return types