From 1879ec5ff07f2c36db4b2fb663e37ab387daf1eb Mon Sep 17 00:00:00 2001
From: Sanders Lin <sandershonglin@gmail.com>
Date: Wed, 5 Dec 2018 19:22:03 +0800
Subject: [PATCH 1/2] Project Euler problem 2 pyhtonic solution

---
 project_euler/problem_02/sol1.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/project_euler/problem_02/sol1.py b/project_euler/problem_02/sol1.py
index f8257fb615fb..44ea980f2df0 100644
--- a/project_euler/problem_02/sol1.py
+++ b/project_euler/problem_02/sol1.py
@@ -18,9 +18,7 @@
 j=2 
 sum=0
 while(j<=n):
-    if((j&1)==0): #can also use (j%2==0)
+    if j%2 == 0:
         sum+=j
-    temp=i
-    i=j
-    j=temp+i
+    i , j = j, i+j
 print(sum)

From 391fc7ed6dd368498517749cc169904445fa6c2c Mon Sep 17 00:00:00 2001
From: Sanders Lin <sandershonglin@gmail.com>
Date: Wed, 5 Dec 2018 19:35:55 +0800
Subject: [PATCH 2/2] Project Euler problem 2 made small changes

---
 project_euler/problem_02/sol3.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/project_euler/problem_02/sol3.py b/project_euler/problem_02/sol3.py
index d36b741bb4f9..0eb46d879704 100644
--- a/project_euler/problem_02/sol3.py
+++ b/project_euler/problem_02/sol3.py
@@ -12,9 +12,7 @@
 b=2
 count=0
 while 4*b+a<n:
-    c=4*b+a
-    a=b
-    b=c
-    count=count+a
+    a, b = b, 4*b+a
+    count+= a
 print(count+b)