text: import os
  from matplotlib import pyplot as plt
  
  #indices
  n = ['1', '2', '3', '4', '5']
  m = ['1', '2', '3']
  
  #generating filenames
  fils = []
  for i in n:
      for j in m:
          name = i+'_'+j
          fils.append(name)
  
  #reading files in directory
  sizes = {}
  filnames = os.listdir('.')
  for i in fils:
      for j in filnames:
          if (i == j.split('.')[0]):
              size = os.path.getsize(j) 
              sizes[i]=size
  
  #categorising the sizes
  original = []
  vector = []
  final = []
  for i in sizes:
      if i[2]=='1':
          original.append(sizes[i])
      elif i[2]=='2':
          vector.append(sizes[i])
      elif i[2]=='3':
          final.append(sizes[i])
  
  #plotting
  plt.plot(vector, original, color='#00e1ff', linewidth=2, label='compressed')
  plt.plot(final, original, color='#10e1ff', linewidth=2, label='decompressed')
  