demen[i][j] = demen[i - 1][j - 1]
else:
demen[i][j] = 1 + min(demen[i][j - 1], # Insert
demen[i - 1][j], # Remove
demen[i - 1][j - 1]) # Replace
return demen[-1][-1]
s1 = "Hello"
s2 = "Hello"
print(edit_distance(s1, s2))
print()
# Test Cases
n = GraphNode(6, weighted=True, directed=True)
n.insert(4, 4, 1)
n.insert(5, 2, 3)
n.insert(4, 3, 2)
n.insert(3, 4, 1) # Numbers can change to test
n.insert(2, 5, 0)
n.insert(1, 1, 4)
n.display()
wow = kruskal(n.al)
wow.display()
print(topological_sort(n))
