create hdf-file to store pandas dataframe

trial_json.py

@@ -102,6 +102,8 @@ for p in range(0,len(data_pumps)):
         eta_pumpe=list(findkeys(data_pumps[p], attribut))[0]/100
         eta_motor=list(findkeys(data_motors[m], attribut))[0]/100
         eta_ges = calculate_efficiency(eta_pumpe, eta_motor)
-        dataset[count] = [eta_pumpe,eta_motor,eta_ges]
+        scenario = "Szenario_" + str(count)
+        dataset[scenario] = [eta_pumpe,eta_motor,eta_ges]
+        dataset.index = ["eta_pumpe","eta_motor","eta_ges"]
         count +=1
         print(p,m,eta_ges)