added example

import moondb,sys

# Get all the scientific missions held in MoonDB

moon_missions = moondb.get_missions()

weight_cum = 0

for m in moon_missions:

   s = moondb.SpecimenFilter()

   s.missionName = [ m.name ]

   res = s.get_results()

   weight = 0

   for r in res:

      if r.weight is not None:

         weight += float(r.weight.split(' ')[0])

   weight_cum += weight

   print("MoonDB holds {:.3f} kg of specimens from {}".format(weight/1000.0,m.name))

print("MoonDB contains a total of {:.3f} kg of specimen from the Moon!".format(weight_cum/1000.0))

f = moondb.AnalysisFilter()

f.mission = ["Apollo 11"]

f.analyte = ["Na2O","CaO"]

f.specimenType = ["SOIL"]

results = f.get_results()

for r in results:

   for dr in r.dataResults:

      print(dr)

      #print(dr.laboratory,dr.variable,dr.value,dr.unit)