Yesheng Zou yszou

## deriv-middle-parentheses.scm
(define (=number? a v) (and (number? a) (= a v)))
(define (variable? e) (symbol? e))

(define (sum? e)
  (and (pair? e) (eq? (cadr e) '+)))
(define (sum-a e) (car e))
(define (sum-b e)
  (if (= (length e) 3) (caddr e) (cdr (cdr e))))
(define (make-sum a b)
  (cond ((=number? a 0) b)

## deriv.scm
(define (variable? x) (symbol? x))
(define (same-variable? a b) (and (variable? a) (variable? b) (eq? a b)))

(define (sum? e) (and (pair? e) (eq? (car e) '+)))
(define (added e) (cadr e))
(define (augend e)
  (if (= (length e) 3) (caddr e) (append '(+) (cdr (cdr e)))))

(define (product? e) (and (pair? e) (eq? (car e) '*)))
(define (multiplier e) (cadr e))

## fib.scm

(define (vector+vector a b)
  (define (vector+vector-iter a b value)
    (if (null? a) (reverse value)
      (vector+vector-iter (cdr a) (cdr b) (cons (+ (car a) (car b)) value)  )))
  (vector+vector-iter a b '()))

(display "vector+vector: ")
(display (vector+vector '(1 2 3) '(4 5 6)))
(display "\n")

## queen.scm
(define (range a b)
  (define (iter v current)
    (if (< v a) current
      (iter (- v 1) (cons v current))))
  (iter (- b 1) '()))


(define (accmulate f init seq)
  (if (null? seq) init
    (accmulate f (f (car seq) init) (cdr seq))))

## angularjs
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>angularjs</title>
<script src="http://cdn.staticfile.org/jquery/2.1.0/jquery.min.js" type="text/javascript"></script>
<script src="http://cdn.staticfile.org/angular.js/1.0.8/angular.min.js" type="text/javascript"></script>
</head>
<body>
<form name="test_form" ng-controller="TestCtrl" ng-init="o=[0,1,2,3]; a=o[1];">

## alipay_mobile.py
# -*- coding: utf-8 -*-

from hashlib import md5
from urllib import urlencode

#网关
GATEWAY = 'http://wappaygw.alipay.com/service/rest.htm'

class Alipay(object):
    '支付宝移动服务网关'

## sendmail.py
# -*- coding: utf-8 -*-

import sys, os, re
from lib.eml_parse import parse
from lib.smtpclient import SMTPClient
import tempfile

import email.utils
from email.mime.base import MIMEBase
from email.mime.text import MIMEText

## sina_sso.py
# -*- coding: utf-8 -*-

import rsa
import re
import time
import json
import traceback
from urllib import urlencode, unquote, quote
from Cookie import SimpleCookie
import tornado

## clean.py
# -*- coding: utf-8 -*-

import re
EMAIL_PATTERN = re.compile(u'[a-z0-9_\-\+\.]+@[a-z0-9_\-\.]+\.[a-z]+', re.I)
from lxml.html.clean import Cleaner
from lxml.html import defs


frozenset = set
defs.safe_attrs = frozenset([

## eml_parse.py
# -*- coding: utf-8 -*-

import uuid
import base64
import datetime
import email
import email.Header
from email.utils import getaddresses, parsedate_tz, mktime_tz
from StringIO import StringIO
	(define (=number? a v) (and (number? a) (= a v)))
	(define (variable? e) (symbol? e))

	(define (sum? e)
	(and (pair? e) (eq? (cadr e) '+)))
	(define (sum-a e) (car e))
	(define (sum-b e)
	(if (= (length e) 3) (caddr e) (cdr (cdr e))))
	(define (make-sum a b)
	(cond ((=number? a 0) b)
	(define (variable? x) (symbol? x))
	(define (same-variable? a b) (and (variable? a) (variable? b) (eq? a b)))

	(define (sum? e) (and (pair? e) (eq? (car e) '+)))
	(define (added e) (cadr e))
	(define (augend e)
	(if (= (length e) 3) (caddr e) (append '(+) (cdr (cdr e)))))

	(define (product? e) (and (pair? e) (eq? (car e) '*)))
	(define (multiplier e) (cadr e))

	(define (vector+vector a b)
	(define (vector+vector-iter a b value)
	(if (null? a) (reverse value)
	(vector+vector-iter (cdr a) (cdr b) (cons (+ (car a) (car b)) value) )))
	(vector+vector-iter a b '()))

	(display "vector+vector: ")
	(display (vector+vector '(1 2 3) '(4 5 6)))
	(display "\n")
	(define (range a b)
	(define (iter v current)
	(if (< v a) current
	(iter (- v 1) (cons v current))))
	(iter (- b 1) '()))


	(define (accmulate f init seq)
	(if (null? seq) init
	(accmulate f (f (car seq) init) (cdr seq))))
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<title>angularjs</title>
	<script src="http://cdn.staticfile.org/jquery/2.1.0/jquery.min.js" type="text/javascript"></script>
	<script src="http://cdn.staticfile.org/angular.js/1.0.8/angular.min.js" type="text/javascript"></script>
	</head>
	<body>
	<form name="test_form" ng-controller="TestCtrl" ng-init="o=[0,1,2,3]; a=o[1];">
	# -- coding: utf-8 --

	from hashlib import md5
	from urllib import urlencode

	#网关
	GATEWAY = 'http://wappaygw.alipay.com/service/rest.htm'

	class Alipay(object):
	'支付宝移动服务网关'
	# -- coding: utf-8 --

	import sys, os, re
	from lib.eml_parse import parse
	from lib.smtpclient import SMTPClient
	import tempfile

	import email.utils
	from email.mime.base import MIMEBase
	from email.mime.text import MIMEText
	# -- coding: utf-8 --

	import rsa
	import re
	import time
	import json
	import traceback
	from urllib import urlencode, unquote, quote
	from Cookie import SimpleCookie
	import tornado
	# -- coding: utf-8 --

	import re
	EMAIL_PATTERN = re.compile(u'[a-z0-9_\-\+\.]+@[a-z0-9_\-\.]+\.[a-z]+', re.I)
	from lxml.html.clean import Cleaner
	from lxml.html import defs


	frozenset = set
	defs.safe_attrs = frozenset([
	# -- coding: utf-8 --

	import uuid
	import base64
	import datetime
	import email
	import email.Header
	from email.utils import getaddresses, parsedate_tz, mktime_tz
	from StringIO import StringIO