@@ -6,25 +6,24 @@
 class Fibonacci:
 
 def __init__(self, N=None):
+self.fib_array = []
 if N:
 N = int(N)
-self.fib_array = [0] * (N + 1)
-self.fib_array[0] = 0
-self.fib_array[1] = 1
+self.fib_array.append(0)
+self.fib_array.append(1)
 for i in range(2, N + 1):
-self.fib_array[i] = self.fib_array[
-i - 1] + self.fib_array[i - 2]
-else:
-self.fib_array = [None] * (N + 1)
+self.fib_array.append(self.fib_array[i - 1] + self.fib_array[i - 2])
+elif N == 0:
+self.fib_array.append(0)
 
 def get(self, sequence_no=None):
-if sequence_no:
+if sequence_no != None:
 if sequence_no < len(self.fib_array):
-return print(self.fib_array[:sequence_no])
+return print(self.fib_array[:sequence_no + 1])
 else:
 print("Out of bound.")
 else:
-print("Please specify the a value")
+print("Please specify a value")
 
 
 if __name__ == '__main__':