move demo documents into separate files

demo/docs/python.py

@@ -0,0 +1,18 @@
+#!/usr/local/bin/python
+
+import string, sys
+
+# If no arguments were given, print a helpful message
+if len(sys.argv)==1:
+print 'Usage: celsius temp1 temp2 ...'
+sys.exit(0)
+
+# Loop over the arguments
+for i in sys.argv[1:]:
+try:
+    fahrenheit=float(string.atoi(i))
+except string.atoi_error:
+    print repr(i), "not a numeric value"
+else:
+    celsius=(fahrenheit-32)*5.0/9.0
+    print '%i\260F = %i\260C' % (int(fahrenheit), int(celsius+.5))