def hex_string(pid, addr, size, flag=1):
x = int(addr, 16)
process = Process(pid)
data = process.read(x, size * 8)
#hexdump = HexDump.printable( data )
if flag == 3:
print HexDump.hexblock_dword(data, address=True, width=16)
elif flag == 2:
print HexDump.hexblock_word(data, address=True, width=16)
else:
print HexDump.hexblock(data, address=True, width=16)
