Complete the function definition for a predator prey model in python please.

def do_predprey_simulation(x, y, a, b, c, d, dt, num_steps): Your solution goes here if -name return (x,y) ' __main__': X = 1000 y = 20 a = 0.1 b = 0.01 C = 0.01 d = 0.00009 dt = 8.2 num_steps = 150 x,y=do_pred_prey_simulation(x,y, a,b,c,d, dt, num_steps) print("Prey density is {:.2f}, and predator density is {:.2f}'.format(x,y))