import numpy as np
import matplotlib.pyplot as plt


M = np.loadtxt('ra_data.txt', delimiter=' ')

Kj = M[:, 0] #kjonn
Kl = M[:, 1] #klassetrinn
Timer = M[:, 2] #antall timer skjermbruk per pers

antall_gutter = 0
antall_jenter = 0


for n in range(0, len(Kj), 1):
    
    if (Kj[n] == 1):
        antall_gutter = antall_gutter + 1
        
    else:    
        antall_jenter = antall_jenter + 1


labels = 'gutter', 'jenter'
sizes = [antall_gutter, antall_jenter]

plt.close('all')
plt.pie(sizes, labels=labels, autopct='%1.1f%%')
plt.rc('font', size=10)
plt.axis('equal')  

plt.savefig('plott_ra_kake.pdf')
plt.show()