git log <filename>
    git show <commitID> <filename> 

    1. PS D:\lenovo_work\workspace\lenovo_git\lico-demo\ai\mxnet> git log .\mnist_lenet.py
    2. commit 483f5f3b6101faadbca71cd48e001639b5905932
    3. Author: hexin5 <hexin5@lenovo.com>
    4. Date:   Thu Jul 9 15:29:40 2020 +0800
    6.     init
    8. PS D:\lenovo_work\workspace\lenovo_git\lico-demo\ai\mxnet> git show 483f5f3b6101faadbca71cd48e001639b5905932 .\mnist_lenet.py
    9. commit 483f5f3b6101faadbca71cd48e001639b5905932
    10. Author: hexin5 <hexin5@lenovo.com>
    11. Date:   Thu Jul 9 15:29:40 2020 +0800
    13.     init
    15. diff --git a/ai/mxnet/mnist_lenet.py b/ai/mxnet/mnist_lenet.py
    16. new file mode 100644
    17. index 0000000..96a10cd
    18. --- /dev/null
    19. +++ b/ai/mxnet/mnist_lenet.py
    20. @@ -0,0 +1,119 @@
    21. +# Licensed to the Apache Software Foundation (ASF) under one
    22. +# or more contributor license agreements.  See the NOTICE file
    23. +# distributed with this work for additional information
    24. +# regarding copyright ownership.  The ASF licenses this file
    25. +# to you under the Apache License, Version 2.0 (the
    26. +# "License"); you may not use this file except in compliance
    27. +# with the License.  You may obtain a copy of the License at
    28. +#
    29. +#   http://www.apache.org/licenses/LICENSE-2.0
    30. +#
    31. +# Unless required by applicable law or agreed to in writing,
    32. +# software distributed under the License is distributed on an
    33. +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    34. +# KIND, either express or implied.  See the License for the
    35. +# specific language governing permissions and limitations
    36. +# under the License.
    37. +