Three Hundred - Thirty-Two Commit: Implement edge_count() function

Author: AAdewunmi

Section_12(Graphs)/(1)_graph.py

@@ -69,4 +69,9 @@ def edge_count(self):
             for j in range(self._vertices):
                 if self._adjacent_matrix[i][j] != 0:
                     count = count + 1
-        return count
+        return count
+
+    def vertices_print(self):
+        for i in range(self._vertices):
+            print(i, end=' ')
+        print()