text: import os
  
  ordner = 'filetest'
  
  if not os.path.exists(ordner):
      os.makedirs(ordner)
  
  i = 1
  while i <= 5:
  	j = 1
  	while j <= 5:
  		file_name = '{}\HWN_{}_{}.geojson'
  		file = open(file_name.format(ordner,i,j), 'wt')
  		output = 'HWN von {} nach {}'
  		file.write(output.format(i,j))
  		j += 1
  	i += 1
  