tf_learn
for learning tensorflow
correct rate of lesson_3_cnn
images.len: 55000 epoch: 10 batch: 50
train iter: 0 / 10 accuracy: 0.9636
train iter: 1 / 10 accuracy: 0.9762
train iter: 2 / 10 accuracy: 0.9809
train iter: 3 / 10 accuracy: 0.9848
train iter: 4 / 10 accuracy: 0.985
train iter: 5 / 10 accuracy: 0.9871
train iter: 6 / 10 accuracy: 0.989
train iter: 7 / 10 accuracy: 0.9894
train iter: 8 / 10 accuracy: 0.9899
train iter: 9 / 10 accuracy: 0.9905