new_contents: class Sanitise(object):
  	def gender(args):
  		arb = ''
  		for each in args:
  			arb += each
  		arb = arb.lower()
  		if arb == 'male' or arb == 'boy' or arb =='man':
  			return 'Male'
  		elif arb == 'female' or arb == 'girl' or arb == 'woman':
  			return 'Female'
  		else:
  			raise ValueError
  	
  	def game(args):
  		arb = ''
  		for each in args:
  			arb += each
  		arb = arb.lower()
  		if arb == 'sapphire':
  			return 'Sapphire'
  		elif arb == 'ruby':
  			return 'Ruby'
  		elif arb == 'emerald':
  			return 'Emerald'
  		elif arb == 'perla':
  			return 'Perla'
  		elif arb == 'firered' or arb == 'fire':
  			return 'Fire'
  		elif arb == 'leafgreen' or arb == 'leaf':
  			return 'Leaf'
  		elif arb == 'chaosblack' or arb == 'chaos':
  			return 'Chaos'
  		else:
  			raise ValueError
  
subject: add argument sanitisation class