cash = 100

class Training:
	def __init__(self, type, cost):
		self.type = type
		self.cost = cost

def purchase_training(training):
	if cash >= training.cost:
		cash -= training.cost
		print "You have succesfully purchased", training.type, ". You now have", cash, "left."
	else:
		print "You do not have enough money."

purchase_training("kung foo", 40)
purchase_training("tai chi", 60)
purchase_training("ninjisu", 100000)