I am running a python file in jupyter notebook. Showing error as FileNotFound error in line seqfile = open(sys.argv[1],'r')

Question

I am adding part of my script here. `nt2num = {\'A\':1, \'C\':2, \'G\':3, \'T\':4} compnt2num = {\'T\':1, \'G\':2, \'C\':3, \'A\':4} shape = [1.1739845031423408,1.1739845031