code: import sys
  import numpy as np
  import pandas as pd
  
  print("input file:", sys.argv[1])
  print("output file:", sys.argv[2])
  citations = pd.read_csv(sys.argv[1], sep='\t', header=None)
  alpha=float(sys.argv[3])
  print("alpha:", alpha)
  pd.concat([citations[0], 1+np.log(alpha+citations[1])], axis=1, join="inner").to_csv(sys.argv[2], sep='\t', header=False, index=False)
  print("successfully saved the output file")
  
  
apis: pandas.read_csv numpy.log