Security Setup

sudo dpkg --add-architecture i386
udo apt-get update
sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386

#!/usr/bin/env python

# single line comment

print('hahaha')
print("%d %d" % (100, 20))
print("{1}{0}".format('hi', 'CA'))
sys.stdout.write()

s = input()
s = raw_input()

int()
0x00
int(x, 16)
hex(23) #0x17
+ - * / %
** //

3.14...
2.12e-3
小數不精確性質

'single line string'
'''
multi line string
also comment
'''
len('abcdefg1234567')
s[3]
s[:-2:3]
'a'.join(['b', 'c', 'd'])

ord('a')
chr(0x61)
"7061756c".decode("hex")
'zzZ'.encode('hex')

li = ['b', 1, 2, 'a']
li.append('abc')
li.remove(2)
li.sort()
li.reverse()
s.split('/')

a = (2, 3, 5)
zip('abc', '123')

if a == b and c == 0:
    print('a==b')
elif a < b or c == 0:
    print('a<b')
else:
    print('a>b')

for i in range(10):
    print i
for x in 'abc123':
    print(x)
while True:
    print('hi')

def function_name(parameter):
    statement
    return (None)

import requests
from bs4 import BeautifulSoup
import os as hi
hi.system('echo $PATH')

apt-get update
apt-get install python2.7 python-pip python-dev git libssl-dev libffi-dev build-essential
pip install --upgrade pip
pip install --upgrade pwntools

from pwn import *
context(arch = 'i386', os = 'linux') # 32bits
context(arch = 'amd64', os = 'linux') # 64bits
r = remote('exploitme.example.com', 31337)
r.recv()
r.sendline()
r.senduntil()
r.interactive()
p32()
p64()

import requests

r = requests.get('https://cs.nctu.edu.tw')
r.status_code
r.text

import requests
from bs4 import BeautifulSoup

soup = BeautifulSoup(html_doc, 'lxml')
soup.prettify()
soup.find_all('a')

tmux attach
tmux list
Ctrl-B %
Ctrl-B &
Ctrl-B c
Ctrl-B s
Ctrl-B d
Ctrl-B ${Number}
...

import requests

proxies = {
  'http': 'http://127.0.0.1:9050',
  'https': 'http://127.0.0.1:9050',
}

requests.get('http://www.president.gov.tw/', proxies=proxies)