title: Program Calculate Volume Octahedron
signature: programCalculateVolumeOctahedron(side) {
test_code: import 'dart:convert';
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(double actual, double expected){
      return (actual - expected).abs() < 1e-09;
  }
  
  String driver(side, double expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(side), expected)){
              return "PASSED";
          }
          return "FAILED";
      }catch(exception_object){
          return exception_object.runtimeType.toString();
      }
  }
  
  int main() {
  
      print("TEST-0...${driver(
          3355.322051344013, 
          17807230335.375374)
      }");
  
      print("TEST-1...${driver(
          -891.0551553192736, 
          -333508958.9649689)
      }");
  
      print("TEST-2...${driver(
          8242.699647177868, 
          263998930936.71603)
      }");
  
      print("TEST-3...${driver(
          -9259.146104439229, 
          -374202387762.81836)
      }");
  
      print("TEST-4...${driver(
          7712.806145993083, 
          216287285897.3415)
      }");
  
      print("TEST-5...${driver(
          -4998.858862079315, 
          -58885228987.99368)
      }");
  
      print("TEST-6...${driver(
          9771.127582524628, 
          439772223071.1617)
      }");
  
      print("TEST-7...${driver(
          -5415.8106399098115, 
          -74883158892.28471)
      }");
  
      print("TEST-8...${driver(
          670.0774772280249, 
          141830229.25431916)
      }");
  
      print("TEST-9...${driver(
          -7068.634369272122, 
          -166494655500.3635)
      }");
  
      return 0;
  }
source_py: def program_calculate_volume_octahedron(side):
      return (((side * side) * side) * (math.sqrt(2) / 3))
source_cpp: double program_calculate_volume_octahedron(double side) {
    return ( ( side * side * side ) * ( sqrt ( 2 ) / 3 ) );
  }