p: ['Prey', 'Predator']
 t: ['Prey rep', 'Inter', 'Pred death']
pre: [[1 0]
 [1 1]
 [0 1]]
post: [[2 0]
 [0 2]
 [0 0]]
h: <function lv.<locals>.<lambda> at 0x75c84a35e3e0>
m: [ 50 100]
