kd calculation

import numpy as np
import matplotlib.pyplot as plt

def kd(kills, deaths):
    return kills/deaths

kills = 7295
deaths = 6054

matches = 2766

kd_new_list = []
new_matches = 803

x = range(0,30)

for k in x:
    for d in [3]:
        kills_new = kills + new_matches*k
        deaths_new = deaths + new_matches*d
        kd_new = kd(kills_new,deaths_new)
        kdtuple = (kd_new, k, d)
        kd_new_list.append(kdtuple)

y = [kdtuple[0] for kdtuple in kd_new_list]

dt = np.dtype("float", "int", "int")
kd_array = np.array(kd_new_list,dtype=dt)
print(kd_array[np.where(kd_array[:,0] > 2)])

plt.plot(x,y)
plt.ylim(0,5)