code: import datetime
  import numpy as np
  """
  Class to define a 'RiskAssessment' from FHIR.
  Currently only produces JSON.
  {
      "date": date assesment was made in ISO format yyyy-mm-dd,
      "results": {
                      "five_year_abs": Five year Absolute Risk for this patient as decimal
                      "five_year_ave": Five year Risk for an average patient
                      "lifetime_abs": Lifetime Absolute Risk for this patient as decimal
                      "lifetime_ave": Lifetime Risk for an average patient
      }
  }
  """
  
  
  class BasicRiskAssessment:
      def __init__(self):
          self.resourceType = "RiskAssessment"
          #self.date = datetime.datetime.now().isoformat()
          self.date = datetime.date.today().isoformat()
          self.fiveyearABS = np.float64(-1)
          self.fiveyearAVE = np.float64(-1)
          self.lifetimeABS = np.float64(-1)
          self.lifetimeAVE = np.float64(-1)
  
      def setRiskScores(self, fiveABS, fiveAVE, lifeABS, lifeAVE):
          self.fiveyearABS = fiveABS
          self.fiveyearAVE = fiveAVE
          self.lifetimeABS = lifeABS
          self.lifetimeAVE = lifeAVE
  
      def getJson(self):
          return {"date":self.date,
                  "results": {
                      "five_year_abs": self.fiveyearABS,
                      "five_year_ave": self.fiveyearAVE,
                      "lifetime_abs": self.lifetimeABS,
                      "lifetime_ave": self.lifetimeAVE
                  }}
apis: numpy.float64