function to sort each row of the matrix according to the order specified by ascending .
def sortByRow ( mat , n , ascending ) : NEW_LINE INDENT for i in range ( n ) : NEW_LINE INDENT if ( ascending ) : NEW_LINE INDENT mat [ i ] . sort ( ) NEW_LINE DEDENT else : NEW_LINE INDENT mat [ i ] . sort ( reverse = True ) NEW_LINE DEDENT DEDENT DEDENT