From 8cf108a20c1fe6e0e18031f7e26a6ab933145e72 Mon Sep 17 00:00:00 2001
From: Aditya Bhargava <bluemangroupie@gmail.com>
Date: Wed, 2 Mar 2016 14:15:37 -0800
Subject: [PATCH] code for chapter 3

---
 03_recursion/python/01_countdown.py | 10 ++++++++++
 03_recursion/python/02_greet.py     | 13 +++++++++++++
 03_recursion/python/03_factorial.py |  7 +++++++
 3 files changed, 30 insertions(+)
 create mode 100644 03_recursion/python/01_countdown.py
 create mode 100644 03_recursion/python/02_greet.py
 create mode 100644 03_recursion/python/03_factorial.py

diff --git a/03_recursion/python/01_countdown.py b/03_recursion/python/01_countdown.py
new file mode 100644
index 0000000..69c652c
--- /dev/null
+++ b/03_recursion/python/01_countdown.py
@@ -0,0 +1,10 @@
+def countdown(i):
+  print i
+  # base case
+  if i <= 0:
+    return
+  # recursive case
+  else:
+    countdown(i-1)
+
+countdown(5)
diff --git a/03_recursion/python/02_greet.py b/03_recursion/python/02_greet.py
new file mode 100644
index 0000000..489f86d
--- /dev/null
+++ b/03_recursion/python/02_greet.py
@@ -0,0 +1,13 @@
+def greet2(name):
+    print "how are you, " + name + "?"
+
+def bye():
+    print "ok bye!"
+
+def greet(name):
+    print "hello, " + name + "!"
+    greet2(name)
+    print "getting ready to say bye..."
+    bye()
+
+greet("adit")
diff --git a/03_recursion/python/03_factorial.py b/03_recursion/python/03_factorial.py
new file mode 100644
index 0000000..f14e29f
--- /dev/null
+++ b/03_recursion/python/03_factorial.py
@@ -0,0 +1,7 @@
+def fact(x):
+  if x == 1:
+    return 1
+  else:
+    return x * fact(x-1)
+
+print fact(5)