feature1.0.1

-import numpy
+import numpy as np
 
+#Kruskal Algorithm
 parent = dict()
 rank = dict()
 
 def make_singleton_set(v) :
     parent[v] = v
-    rank[v] = v
+    rank[v] = 1
 
 def find(v) :
     if(parent[v] != v) :
@@ -31,4 +32,36 @@ def Kruskal(graph) :
     edge_list = list(graph['edges'])
     edge_list.sort()
 
-    F = []
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+    F = set()
+
+    index = 0
+    while len(F) < n - 1 :
+        e = edge_list[index]
+
+        p = find(e[1])
+        q = find(e[2])
+
+        if(p == q) :
+            union(p, q)
+            F.add(e)
+            index += 1
+
+    return F
+
+graph = {
+        'vertices': ['A', 'B', 'C', 'D', 'E'],
+        'edges': set([
+            (1, 'A', 'B'),
+            (3, 'A', 'C'),
+            (3, 'B', 'C'),
+            (6, 'B', 'D'),
+            (4, 'C', 'D'),
+            (2, 'C', 'E'),
+            (5, 'D', 'E'),
+            ])
+        }
+for i in range(0, 5) :
+    make_singleton_set(i)
+
+mst = Kruskal(graph)
+print(mst)
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