import matplotlib.pyplot as plt
import numpy as np
import random as ra

antall = 20
alle_kast = np.zeros(antall)


for i in range(antall):
  to_seksere = 0 
  kast = np.array([])
  while to_seksere < 2:
    tall = ra.randint(1,6)
    kast = np.append(kast, tall)
    if tall == 6:
        to_seksere += 1
    if to_seksere == 2:
        alle_kast[i] = np.size(kast)

x_val = np.linspace(1, antall, antall)
plt.xticks(x_val)        
plt.bar(x_val, alle_kast)
# plt.savefig('terningkast.pdf')
plt.show()