new_contents: MARV 2 21	6350	0	175	0
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  MARV 5 04	6200	44	x	60
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  MARV 5 67	2000	0	0	0
  MARV 6 09 +	4350	44	440	60
  MARV 6 16 +	6300	44	x	0
  MARV 6 46 +	2880	44	0	0
  MARV 6 49 +	x	x	440	60
  MARV 6 82b	6200	26	440	60
  MARV 7 27	x	x	x	x
  MARV 9 01	x	x	x	60
  MARV 9 06	6350	0	0	0
  MARV 9 09	5240	0	0	0
  MARV 9 12	6340	27	x	60
  
subject: Create Kalhu.py