public ActionResult GetKSum([FromQuery] long amka)
{
var value = _biochemicalExaminationService.GetBiochemicalExaminationsByUser(amka);
var x = new List <float>();
foreach (var item in value)
{
x.Add(item.K);
}
var bbb = new CalculationService();
var av = bbb.Average(x);
return(Ok(av));
}