From: @yeyunpeng2020
Reviewed-by: @ddwsky,@HilbertDavid
Signed-off-by: @ddwsky

From: @zhangbuxue
Reviewed-by: @guoqi1024,@zhanyuan1,@zhaizhiqiang
Signed-off-by: @zhaizhiqiang

From: @huangbo77
Reviewed-by: @wuxuejian,@oacjiewen
Signed-off-by: @wuxuejian

add config helper

add lenet example

add lenet evaluation

move data_path and output_path to builtin arguments

fix code spells and pylints

From: @lzkcode
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @changzherui
Reviewed-by: @kingxian,@zhoufeng54
Signed-off-by: @kingxian

From: @changzherui
Reviewed-by: @kingxian,@zhoufeng54
Signed-off-by: @kingxian

From: @zhangzhaoju
Reviewed-by: @ginfung,@zh_qh,@hwhewei,@zh_qh
Signed-off-by: @zh_qh,@zh_qh

From: @zhengjun10
Reviewed-by: @HilbertDavid,@hangangqiang,@HilbertDavid
Signed-off-by: @HilbertDavid,@HilbertDavid

From: @dinglinhe123
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @jiangzg001
Reviewed-by: @oacjiewen,@wuxuejian
Signed-off-by: @wuxuejian

From: @pandoublefeng
Reviewed-by: @oacjiewen,@c_34
Signed-off-by: @c_34

From: @lijiaqi0612
Reviewed-by: @zhunaipan,@zh_qh
Signed-off-by: @zh_qh

From: @zhanghuiyao
Reviewed-by: @c_34,@oacjiewen
Signed-off-by: @c_34

new file:   yolov3_resnet18/ascend310_infer/src/main.cc

From: @xcnick
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @jpc_chenjianping
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @liangzhibo
Reviewed-by: @ginfung,@zh_qh
Signed-off-by: @zh_qh

while -t on/ut -e $dev set together, only invalid -e option

From: @cjh9368
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @hangangqiang

From: @zhujingxuan
Reviewed-by: @wangchengyuan,@hangangqiang
Signed-off-by: @wangchengyuan

From: @jonyguo
Reviewed-by: @heleiwang,@pandoublefeng
Signed-off-by: @pandoublefeng

From: @gengdongjie
Reviewed-by: @c_34,@wuxuejian
Signed-off-by: @c_34

From: @kisnwang
Reviewed-by: @zhoufeng54,@chujinjin
Signed-off-by: @chujinjin

Signed-off-by: zhupuxu <zhupuxu@huawei.com>

From: @jiangzg001
Reviewed-by: @wuxuejian,@linqingke
Signed-off-by: @wuxuejian

From: @yuzhenhua666
Reviewed-by: @c_34,@wuxuejian
Signed-off-by: @c_34