Change wording to Python installation instructions

Author: atmyers

Docs/source/Python_Tutorial.rst

@@ -7,12 +7,14 @@ Python
 These examples show how to use AMReX from Python.
 AMReX applications can also be interfaced to Python with the same logic.
 
-In order to build the Python tutorials, add ``-DTUTORIAL_PYTHON=ON`` to the CMake configuration options.
-Then install with ``cmake --build build --target pyamrex_pip_install``.
+In order to run the Python tutorials, you need to have pyAMReX installed.
+Please see `pyAMReX <https://github.com/AMReX-Codes/pyamrex/>`__ for more details.
+
+Alternatively, you can build the ExampleCodes in this repository with ``-DTUTORIAL_PYTHON=ON`` added to the CMake configuration options,
+then install with ``cmake --build build --target pyamrex_pip_install``, and pyamrex will be installed for you.
 
-Guided Tutorial Examples:
+Once pyAMReX is installed, you can run the following Guided Tutorial Examples:
 
 - :download:`MultiFab <../../GuidedTutorials/MultiFab/main.py>`
 - :download:`Heat Equation <../../GuidedTutorials/HeatEquation/Source/main.py>`
 
-Please see `pyAMReX <https://github.com/AMReX-Codes/pyamrex/>`__ for more details.