import os
os.listdir('.')
help(os.system)
os.system('Duchamp -v')
os.system('Duchamp -h')
os.chdir('/u/hsu004/IntroToDuchamp')
inputFile = 'duchampHIPASS.in'
print(inputFile)
command = 'Duchamp -p %s'%inputFile
os.system(command)