**1. Mal is a Clojure inspired Lisp interpreter**
-**2. Mal is implemented in 78 languages (79 different implementations and 100 runtime modes)**
+**2. Mal is implemented in 78 languages (80 different implementations and 101 runtime modes)**
| Language | Creator |
| -------- | ------- |
python stepX_YYY.py
```
+### Python.2 (3.X)
+
+The second Python implementation makes heavy use of type annotations and uses the Arpeggio parser library.
+
+```
+# Recommended: do these steps in a Python virtual environment.
+pip3 install Arpeggio==1.9.0
+python3 stepX_YYY.py
+```
+
### RPython
You must have [rpython](https://rpython.readthedocs.org/) on your path