message: Fix formatting in Python Readme.
diff: @@ -10,19 +10,28 @@ package using pip.
  ### Build with Bazel
  -`bash bazel build "..."`
  +```shell
  +bazel build "..."
  +```
  ### Build with pip from source
  A setup script is provided which allows to install Tink as a Python package
  -`bash pip3 install .`
  +
  +```shell
  +pip3 install .
  +```
  Note that this still requires Bazel to compile the binding to C++ and the
  [protobuf compiler](https://github.com/protocolbuffers/protobuf).
  ### Running tests
  -You can run all tests with Bazel using `bash bazel test "..."`
  +You can run all tests with Bazel using
  +
  +```shell
  +bazel test "..."
  +```
  ## Examples
  