Three Hundred - Twenty-Eight Commit: Implement remove_edge() function

Author: AAdewunmi

Section_12(Graphs)/(1)_graph.py

@@ -52,4 +52,7 @@ def __init__(self, vertices):
         self._adjacent_matrix = np.array((vertices, vertices))
 
     def insert_edge(self, u, v, weight_edge = 1):
-        self._adjacent_matrix[u][v] = weight_edge
+        self._adjacent_matrix[u][v] = weight_edge
+
+    def remove_edge(self, u, v):
+        self._adjacent_matrix[u][v] = 0