private static PieChart GetPieChart(IEnumerable<AFBaseElement> myElements, string key, List<string> attributeNames, bool flag)
        {

            if (flag)
            {
                List<string> afList = new List<string>();
                foreach (string temp in attributeNames)
                {
                    var attributeValues = GetValuesFromElements(myElements, temp);
                    var filteredAttributeValues = attributeValues.Where(v => v.IsGood).Select(v => ConvertToDouble(v)).ToList();
                    var output = filteredAttributeValues.Sum().ToString();
                    afList.Add(output);
                }
                PieChart newPieChart = new PieChart(afList, attributeNames, key);
                return newPieChart;
            }
            else
            {
                List<string> afList = new List<string>();
                var attributeNameToValue = new Dictionary<string, double>();
                foreach (string temp in attributeNames)
                {
                    var attributeValues = GetValuesFromElements(myElements, temp);
                    var filteredAttributeValues = attributeValues.Where(v => v.IsGood).Select(v => ConvertToDouble(v)).ToList();
                    var output = filteredAttributeValues.Sum();
                    attributeNameToValue.Add(temp, output);
                }
                var result = attributeNameToValue.OrderByDescending(val => val.Value);
                List<string> orderedList = new List<string>();
                int count = 0;
                foreach(var kvp in result)
                {
                    if(count < 10)
                    {
                        afList.Add(kvp.Value.ToString());
                        orderedList.Add(kvp.Key);
                        count++;
                    }
                }
                PieChart newPieChart = new PieChart(afList, orderedList, key);
                return newPieChart;
            }
        }