Driver Code
if __name__ == ' _ _ main _ _ ' : NEW_LINE INDENT g [ 0 ] . append ( [ 1 , 0 ] ) ; NEW_LINE g [ 0 ] . append ( [ 2 , 1 ] ) ; NEW_LINE g [ 1 ] . append ( [ 2 , 2 ] ) ; NEW_LINE g [ 1 ] . append ( [ 3 , 3 ] ) ; NEW_LINE g [ 2 ] . append ( [ 3 , 4 ] ) ; NEW_LINE g [ 3 ] . append ( [ 4 , 5 ] ) ; NEW_LINE g [ 4 ] . append ( [ 2 , 6 ] ) ; NEW_LINE DEDENT