def graph():
sttime = time.time()
random_walk_d2(N, nwalkers)
entime = time.time()
print entime - sttime
x_labels = [r'$N$'] * 5
y_labels = [r'$<x(N)>$', r'$<y(N)>$', r'$<\Delta x^{2}(N)>$',
r'$<\Delta y^{2}(N)>$', r'$<\Delta R^{2}(N)>$']
plot_graph([N] * 5, calc(nwalkers), x_labels, y_labels)
def show_figure():
sttime = time.time()
random_walk_d2(N, nwalkers)
entime = time.time()
print entime - sttime
draw_figure(nwalkers)
