Update min and max versions (#266)

* Python 3.7 is the oldest supported

* Python 3.11 is the latest

Author: hugovk

contemplate_koans.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 
 #
 # Acknowledgment:
@@ -16,18 +15,18 @@
     if sys.version_info < (3, 0):
         print("\nThis is the Python 3 version of Python Koans, but you are " +
               "running it with Python 2!\n\n"
-              "Did you accidentally use the wrong python script? \nTry:\n\n" +
+              "Did you accidentally use the wrong Python script? \nTry:\n\n" +
               "    python3 contemplate_koans.py\n")
     else:
-        if sys.version_info < (3, 3):
+        if sys.version_info < (3, 7):
             print("\n" +
                   "********************************************************\n" +
                   "WARNING:\n" +
                   "This version of Python Koans was designed for " +
-                  "Python 3.3 or greater.\n" +
+                  "Python 3.7 or greater.\n" +
                   "Your version of Python is older, so you may run into " +
                   "problems!\n\n" +
-                  "But lets see how far we get...\n" +
+                  "But let's see how far we get...\n" +
                   "********************************************************\n")
 
         from runner.mountain import Mountain

run.bat

@@ -5,7 +5,7 @@ REM You don't actually need this script!
 SET RUN_KOANS=python.exe -B contemplate_koans.py
 
 REM Set this to your python folder:
-SET PYTHON_PATH=C:\Python39
+SET PYTHON_PATH=C:\Python311
 
 set SCRIPT=