From a3c5167fad2db8d1b5f2acee8cb1c5cf2606bd14 Mon Sep 17 00:00:00 2001
From: Akshay Sharma <akshay.sharma09695@gmail.com>
Date: Mon, 26 Sep 2016 16:08:40 +0530
Subject: [PATCH 1/2] pep style and fixed exception on input other and integer
 type

---
 dynamic_programming/fibonacci.py | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/dynamic_programming/fibonacci.py b/dynamic_programming/fibonacci.py
index bb6d297ebaec..c790d41d81b6 100644
--- a/dynamic_programming/fibonacci.py
+++ b/dynamic_programming/fibonacci.py
@@ -1,16 +1,18 @@
 """
 This is a pure Python implementation of Dynamic Programming solution to the fibonacci sequence problem.
 """
-class Fibonacci:
 
+
+class Fibonacci:
     def __init__(self, N=None):
         if N:
+            N = int(N)
             self.fib_array = [0] * (N + 1)
             self.fib_array[0] = 0
             self.fib_array[1] = 1
             for i in range(2, N + 1):
                 self.fib_array[i] = self.fib_array[
-                    i - 1] + self.fib_array[i - 2]
+                                        i - 1] + self.fib_array[i - 2]
         else:
             self.fib_array = [None] * (N + 1)
 
@@ -43,12 +45,13 @@ def get(self, sequence_no=None):
             "\n********* Enter different values to get the corresponding fibonacci sequence, enter any negative number to exit. ************\n")
         while True:
             print("Enter value: ", end=" ")
-            i = eval(input())
-            if i < 0:
-                print("\n********* Good Bye!! ************\n")
-                break
-            fib.get(i)
-    except NameError:
-        print("\nInvalid input, please try again.")
+            try:
+                i = eval(input())
+                if i < 0:
+                    print("\n********* Good Bye!! ************\n")
+                    break
+                fib.get(i)
+            except NameError:
+                print("\nInvalid input, please try again.")
     except NameError:
         print("\n********* Invalid input, good bye!! ************\n")

From 2dcb85d581e5ed9ae75e817bf2e90c7c8ae97e7c Mon Sep 17 00:00:00 2001
From: Akshay Sharma <akshay.sharma09695@gmail.com>
Date: Mon, 26 Sep 2016 16:09:59 +0530
Subject: [PATCH 2/2] PEP style

---
 dynamic_programming/fibonacci.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dynamic_programming/fibonacci.py b/dynamic_programming/fibonacci.py
index c790d41d81b6..5733f693a6ff 100644
--- a/dynamic_programming/fibonacci.py
+++ b/dynamic_programming/fibonacci.py
@@ -4,6 +4,7 @@
 
 
 class Fibonacci:
+
     def __init__(self, N=None):
         if N:
             N = int(N)
@@ -12,7 +13,7 @@ def __init__(self, N=None):
             self.fib_array[1] = 1
             for i in range(2, N + 1):
                 self.fib_array[i] = self.fib_array[
-                                        i - 1] + self.fib_array[i - 2]
+                    i - 1] + self.fib_array[i - 2]
         else:
             self.fib_array = [None] * (N + 1)