From a8eedd102ba32233d52fbb45b1f67b255d6e8396 Mon Sep 17 00:00:00 2001
From: Chris Ball <cjb@pullcord.laptop.org>
Date: Tue, 28 Aug 2007 21:36:32 +0000
Subject: Examples update.

---
(limited to 'data')

diff --git a/data/math/fibonacci b/data/math/fibonacci
index 7788182..9bc1acb 100644
--- a/data/math/fibonacci
+++ b/data/math/fibonacci
@@ -2,4 +2,3 @@ a, b = 0, 1
 while b < 1001:
      print b,
      a, b = b, a+b
-
diff --git a/data/math/sierpinski b/data/math/sierpinski
new file mode 100644
index 0000000..c034d93
--- /dev/null
+++ b/data/math/sierpinski
@@ -0,0 +1,25 @@
+# Sierpinski triangles
+size = 5
+modulus = 2
+
+lines = modulus**size
+
+vector = [1]
+for i in range(1,lines+1):
+  vector.insert(0,0)
+  vector.append(0)
+
+for i in range(0,lines):
+  newvector = vector[:]
+  for j in range(0,len(vector)-1):
+    if (newvector[j] == 0):
+      print " ",
+    else:
+      remainder = newvector[j] % modulus
+      if (remainder == 0):
+        print "O",
+      else:
+        print ".",
+    newvector[j] = vector[j-1] + vector[j+1]
+  print
+  vector = newvector[:]
diff --git a/data/python/recursion b/data/python/recursion
new file mode 100644
index 0000000..c34638d
--- /dev/null
+++ b/data/python/recursion
@@ -0,0 +1,10 @@
+def countbackwards(number):
+    print "I have the number", number
+    if number > 0:
+        print "Calling countbackwards again!"
+        countbackwards(number-1)
+    else:
+        print "I am done counting"
+
+number = input("Enter a number: ")
+countbackwards(number)
--
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