text: Function to return the count of set bits in n
code: def countSetBits ( n ) : NEW_LINE INDENT return ( BitsSetTable256 [ n & 0xff ] + BitsSetTable256 [ ( n >> 8 ) & 0xff ] + BitsSetTable256 [ ( n >> 16 ) & 0xff ] + BitsSetTable256 [ n >> 24 ] ) NEW_LINE DEDENT