#NEWLINE# def test_bifid6_square( ) : #NEWLINE# #INDENT# A = bifid6 #NEWLINE# f = ( lambda i , j : symbols ( A [ ( ( 6 * i ) + j ) ] ) ) #NEWLINE# M = Matrix ( 6 , 6 , f ) #NEWLINE# assert ( bifid6_square ( '' ) == M )