From 736f12a9d48a82f60bfe8185e0ab0ebf5eef0195 Mon Sep 17 00:00:00 2001
From: Peyton Rose <pwrose21@gmail.com>
Date: Tue, 4 Apr 2017 11:14:17 -0700
Subject: [PATCH 1/2] adding the soltion to today's leetcode challenge

---
 functions.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/functions.py b/functions.py
index e69de29..d23e718 100644
--- a/functions.py
+++ b/functions.py
@@ -0,0 +1,21 @@
+def islandPerimeter(grid):
+    """
+    The solution to today's leetcode challenge.
+    :type grid: List[List[int]]
+    :rtype: int
+    """
+    
+    leni = len(grid)
+    lenj = len(grid[0])
+
+    def countCell(i,j):
+        if not grid[i][j]:
+            return 0
+        borders = 4
+        if i>0 and grid[i-1][j]: borders -= 1
+        if i<(leni-1) and grid[i+1][j]: borders -= 1
+        if j<(lenj-1) and grid[i][j+1]: borders -= 1
+        if j>0 and grid[i][j-1]: borders -= 1
+        return borders
+    
+    return sum([countCell(i,j) for i in range(leni) for j in range(lenj)])

From db82986728ee263c5d6ace4c2cdbb5d38be09caa Mon Sep 17 00:00:00 2001
From: Kelly Anne Pierce <kellyannepierce@gmail.com>
Date: Tue, 4 Apr 2017 11:26:51 -0700
Subject: [PATCH 2/2] fixed variable case

---
 functions.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/functions.py b/functions.py
index de4ce4f..c112ea7 100644
--- a/functions.py
+++ b/functions.py
@@ -8,7 +8,7 @@
 from pylab import *
 
 #Define Constants
-Beta=2.0
+beta=2.0
 gamma=.8
 init=array([0.95,0.05,0.0])
 finalTime=20.0
@@ -18,8 +18,8 @@ def derv(x,t):
     """Computes the derv operator for the basic sir model"""
 
     y=zeros(3); 
-    y[0]=-Beta*x[0]*x[1]
-    y[1]=Beta*x[0]*x[1]-gamma*x[1]
+    y[0]=-beta*x[0]*x[1]
+    y[1]=beta*x[0]*x[1]-gamma*x[1]
     y[2]=gamma*x[1]
     return(y)