Add some rationale

diff --git a/programming/python/creating_nice_python_cli_tools.md b/programming/python/creating_nice_python_cli_tools.md
index 6986416b96e88bd6642dbfb6f7ed5b5604b25244..ce8c3e14b63fbaf8ac4c169cfe5ddcd1869a83c3 100644 (file)
--- a/programming/python/creating_nice_python_cli_tools.md
+++ b/programming/python/creating_nice_python_cli_tools.md
@@ -1,3 +1,5 @@
+Following this advice can make your tools easy to install by others, pleasant to use, robust, cross-platform, and powerful.
+
 * Use [my suggestions for setting up Python projects](project_setup), particularly:
   * Provide instructions for installing your tool using [pipx](https://github.com/pypa/pipx).
     Using pipx, people can install and upgrade your script using a simple command that requires no administrative privileges (but it requires having Python and pipx installed).