Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
The interpreter acts as a simple calculator: you can type an expression at it
and it will write the value. Expression syntax is straightforward: the
-operators ``+``, ``-``, ``*`` and ``/`` work just like in most other languages
-(for example, Pascal or C); parentheses (``()``) can be used for grouping.
+operators ``+``, ``-``, ``*`` and ``/`` can be used to perform
+arithmetic; parentheses (``()``) can be used for grouping.
For example::
>>> 2 + 2