def averageSpectra(listOfSpectra):
	#copy a spectrum so we retain the instrumentName and such in the output
	output=copy.deepcopy(listOfSpectra[0])
	temp=[]

	#set all the data in the output to 0
	for wavelength in output['datapoints'].keys():
		temp.append(0)
		output['datapoints'][wavelength]=0

	#sum the spectra data
	for spectrum in listOfSpectra:
		for wavelength in output['datapoints'].keys():
			output['datapoints'][wavelength]=output['datapoints'][wavelength]+spectrum['datapoints'][wavelength]
	for wavelength in output['datapoints'].keys():
		output['datapoints'][wavelength]=output['datapoints'][wavelength]/len(listOfSpectra)

	return output