Create 9_BreadthFirstSearch module

Author: nikhilailani

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+        "python.linting.pylintEnabled": false,
+        "python.linting.flake8Enabled": true,
+        "python.linting.enabled": true
+}

algorithms/9_BreadthFirstSearch/bfs.py

@@ -1,24 +1,23 @@
 def bfs(data, start, visited=set()):
 
     queue = [start]
-    
+
     while queue:
         current_node = queue.pop(0)
-        if current_node not in visited: print(current_node, end = " ")
+        if current_node not in visited:
+            print(current_node, end=" ")
         visited.add(current_node)
-        
+
         for i in data[current_node] - visited:
             queue.append(i)
-            
     return
-        
+
+
 if __name__ == '__main__':
-    
-    data = {'A': {'B'},
-        'B': {'A', 'C', 'D'},
-        'C': {'B', 'E'},
-        'D': {'B', 'E'},
-        'E': {'C', 'D', 'F'},
-        'F': {'E'}}
-    
+
+    data = {
+        'A': {'B'}, 'B': {'A', 'C', 'D'}, 'C': {'B', 'E'}, 'D': {'B', 'E'},
+        'E': {'C', 'D', 'F'}, 'F': {'E'}
+    }
+
     bfs(data, 'A')