From 3c347833ac7e5f5925713edf33b82a0b18434c24 Mon Sep 17 00:00:00 2001
From: Madhusudan.C.S
Date: Thu, 8 Oct 2009 18:59:47 +0530
Subject: Added quiz tex file and all exercise problems Madhu worked out.

---
 day1/exercise/even_perfect_4.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 day1/exercise/even_perfect_4.py

(limited to 'day1/exercise/even_perfect_4.py')

diff --git a/day1/exercise/even_perfect_4.py b/day1/exercise/even_perfect_4.py
new file mode 100644
index 0000000..7910acf
--- /dev/null
+++ b/day1/exercise/even_perfect_4.py
@@ -0,0 +1,17 @@
+def is_perfect_square(n):
+    i = 1
+    while i * i < n:
+        i += 1
+    return i * i == n
+
+def all_digits_even(n):
+    if n < 0: n = -n
+    while n > 0:
+        if n % 2 == 1:
+            return False
+        n /= 10
+    return True
+
+for i in range(2222, 8888):
+    if all_digits_even(i) and is_perfect_square(i):
+        print i
-- 
cgit