# x = np.arange(len(labels)) # the label locations
# width = 0.3 # the width of the bars
# fig, ax = plt.subplots()
# rects1 = ax.bar(x - width, accDict['elu'], width, label='elu')
# rects2 = ax.bar(x , accDict['relu'], width, label='relu')
# rects3 = ax.bar(x + width, accDict['lrelu'], width, label='lrelu')
# # Add some text for labels, title and custom x-axis tick labels, etc.
# ax.set_ylabel('Accuracy')
# ax.set_title('accuracy of 3 methods')
# ax.set_xticks(x)
# ax.set_xticklabels(labels)
# ax.legend()
# def autolabel(rects):
# """Attach a text label above each bar in *rects*, displaying its height."""
# for rect in rects:
# height = rect.get_height()
# ax.annotate('{}'.format(height),
# xy=(rect.get_x() + rect.get_width() / 2, height),
# xytext=(0, 5), # 3 points vertical offset
# textcoords="offset points",
# ha='center', va='bottom')
# autolabel(rects1)
# autolabel(rects2)
# autolabel(rects3)
# fig.tight_layout()
# plt.show()