import matplotlib.pyplot as plt
import numpy as np

data = np.array([1, 2, 3, 4, 5, 6])
data_norm = data/sum(data)
my_labels = ['Pi: ' + str(data[0]),
             'Upsilon: ' + str(data[1]),
             'Theta: ' + str(data[2]),
             'Eta: ' + str(data[3]),
             'Omikron: ' + str(data[4]),
             'Nu: ' + str(data[5])]

# Plotting:

plt.close('all')
plt.figure(1, figsize=(12, 9))

plt.rc('font', size=12) #rc abbrev 'run configuration'
plt.pie(data_norm, labels=my_labels, autopct='%.1f%%')
plt.title('Figure title')

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