Update regions.md

mjp41 · web-flow · commit 759fbf8f3bef · 2024-11-15T11:34:40.000Z
diff --git a/Doc/regions.md b/Doc/regions.md
@@ -249,7 +249,7 @@ Here we present the idea as a reverse polish evaluator.
 >>> calc("4 x y + *")
 ```
 The idea is to interpolate the `x` and `y` into the string while evaluating it.
-```
+```python
 def calc(str):
   ctxt = sys._getframe().f_back
   ops = str.split()
