new_contents: import numpy
  import scipy
  import matplotlib
  import dadi
  
  with open('file_name', 'r') as myfile:
      dadi_input=myfile.read().replace('\n', '')
  
  dd = dadi.Misc.make_data_dict(dadi_input)
  
  with open(dadi_input, 'r') as myfile:
      headerline=myfile.readline().replace('\n', '')
  
  final_fs = 0
  final spectrum = 0
  
  fs = dadi.Spectrum.from_data_dict(dd , pop_ids =['Pop1',    'Pop2', 'Pop3', 'Pop4'] ,projections =[6 , 22, 2, 2] ,polarized = False)
  
  fs.to_file("spectrum_output.txt")
  
subject: Create fs_downproject.py