Some directories had a capital in their name [fixed]. Added a recursive factorial algorithm. (#763)

* Renaming directories
* Adding a recursive factorial algorithm

graphs/graph_list.py

@@ -0,0 +1,31 @@
+from __future__ import print_function
+
+
+class Graph:
+    def __init__(self, vertex):
+        self.vertex = vertex
+        self.graph = [[0] for i in range(vertex)]
+
+    def add_edge(self, u, v):
+        self.graph[u - 1].append(v - 1)
+
+    def show(self):
+        for i in range(self.vertex):
+            print('%d: '% (i + 1), end=' ')
+            for j in self.graph[i]:
+                print('%d-> '% (j + 1), end=' ')
+            print(' ')
+
+
+
+g = Graph(100)
+
+g.add_edge(1,3)
+g.add_edge(2,3)
+g.add_edge(3,4)
+g.add_edge(3,5)
+g.add_edge(4,5)
+
+
+g.show()
+