prettier graph

from matplotlib.pyplot import *

X = range(1, 8)
Y = np.array([42586, 5298, 1145, 128, 36, 11, 2])

axes = gca()
axes.set_yscale('log')
bar(X, Y, facecolor='#9999ff', align='center')
xlabel('X axis')
ylabel('Y axis')

# NOT NEEDED xticks(X, X, ha='center')

for x, y in zip(X, Y):
    text(x, np.exp(0.1 + np.log(y)), '%i' % y, ha='center', va='bottom')

# NOT NEEDED plot()
show()