Someone

# Print final output for each subject.
for x in range(len(subjectID)):
        try:
                finalString = subId(subjectID[x]) + '\t' + ep1(epLines[x]) + '\t' + ep2(epLines[x]) + '\t' + dep1(depLines[x]) + '\t' + dep2(depLines[x])
        except (IndexError):    
                try:         
                        finalString = subId(subjectID[x]) + '\t' + ep_dep1(ep_depLines[x]) + '\t' + ep_dep2(ep_depLines[x])
                except (IndexError):
                        try:
                                finalString = subId(subjectID[x]) + '\t' + mean(meanLines[x]) 
                        except (IndexError):
                                pass
        finally:             
                # Write output file.
                fOut = open(outFile, 'a')
                fOut.write(finalString + "\n")  
                fOut.close()