Update dfs.py

Author: beladiyadarshan

algorithms/8_depth_first_search/dfs.py

@@ -1,5 +1,5 @@
 #function for depth first search
-def dfs(Data, start, visited=set()):
+def dfs(data, start, visited=set()):
 
     #if not visited print it
     if start not in visited:
@@ -8,17 +8,17 @@ def dfs(Data, start, visited=set()):
     visited.add(start)
 
 
-    for i in Data[start] - visited:
+    for i in data[start] - visited:
 
         #if not visited gi in depth of it
-        dfs(Data, i, visited)
+        dfs(data, i, visited)
 
     return 
 
 
 
 #sample data in dictionary form
-Data = {'A': {'B'},
+data = {'A': {'B'},
         'B': {'A', 'C', 'D'},
         'C': {'B', 'E'},
         'D': {'B', 'E'},
@@ -29,4 +29,4 @@ def dfs(Data, start, visited=set()):
 
 if __name__ == '__main__':
 
-    dfs(Data, 'A')
+    dfs(data, 'A')