convert darkflow yolov3 tensorflow lite code example

Example: convert darkflow yolov3 tensorflow lite

tflite_convert \  --graph_def_file=built_graph/yolov2-tiny.pb \  --output_file=built_graph/yolov2_graph.lite \  --input_format=TENSORFLOW_GRAPHDEF \  --output_format=TFLITE \  --input_shape=1,416,416,3 \  --input_array=input \  --output_array=output \  --inference_type=FLOAT \  --input_data_type=FLOAT