def mutate(self, severity=1):
for i in range(severity):
index = randindex(self.swaps)
# tuple_index = int(math.round(unif()))
# nvm: switch out an entire swapper
self.swaps[index] = Candidate.swap()
def mutate(self, severity=1):
for i in range(severity):
index = randindex(self.test_values)
self.test_values[index] = randrange(90) + 10
