Last login: Mon Mar 22 09:58:59 on console
gwlan3-83:~ Jan$ python
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32) 
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
gwlan3-83:~ Jan$ ipython -colors LightBG
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32) 
Type "copyright", "credits" or "license" for more information.

IPython 0.10 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object'. ?object also works, ?? prints more.

In [1]: x=2

In [2]: x
Out[2]: 2

In [3]: type(x)
Out[3]: <type 'int'>

In [4]: x=3.14159

In [5]: type(x)
Out[5]: <type 'float'>

In [6]: 2+3
Out[6]: 5

In [7]: x="Hello world!"

In [8]: x='Hello world!"
------------------------------------------------------------
   File "<ipython console>", line 1
     x='Hello world!"
                    ^
SyntaxError: EOL while scanning string literal


In [9]: x='Hello world!'

In [10]: x="I'm Jan"

In [11]: # This is a comment.

In [12]: s="""Hello

   ....: 
   ....: 
   ....: world"""

In [13]: s
Out[13]: 'Hello\n\n\nworld'

In [14]: print s
-------> print(s)
Hello


world

In [15]: # Booleans

In [16]: True
Out[16]: True

In [17]: False
Out[17]: False

In [18]: 2==2
Out[18]: True

In [19]: 2==3
Out[19]: False

In [20]: 2==2 or 2==3
Out[20]: True

In [21]: True or False and not True
Out[21]: True

In [22]: 2<3<=4>-1
Out[22]: True

In [23]: # lists

In [24]: L=[1,2,3,4]

In [25]: L
Out[25]: [1, 2, 3, 4]

In [26]: M=[1,2,3.5,"hi", [1,2]]

In [27]: L[0]
Out[27]: 1

In [28]: L[-1]
Out[28]: 4

In [29]: L[1:3]
Out[29]: [2, 3]

In [30]: L[1:-1]
Out[30]: [2, 3]

In [31]: L[2]=5

In [32]: L
Out[32]: [1, 2, 5, 4]

In [33]: L.append(6)

In [34]: L
Out[34]: [1, 2, 5, 4, 6]

In [35]: L.extend([7,8])

In [36]: L
Out[36]: [1, 2, 5, 4, 6, 7, 8]

In [37]: del L[2]

In [38]: L
Out[38]: [1, 2, 4, 6, 7, 8]

In [39]: L.reverse()

In [40]: L
Out[40]: [8, 7, 6, 4, 2, 1]

In [41]: L.sort()

In [42]: L
Out[42]: [1, 2, 4, 6, 7, 8]

In [43]: L.sort(reverse=True)

In [44]: L
Out[44]: [8, 7, 6, 4, 2, 1]

In [45]: # dictionaries

In [46]: D={'Mozart': 1757, 'Schubert': 1797}

In [47]: D
Out[47]: {'Mozart': 1757, 'Schubert': 1797}

In [48]: D['Mozart']
Out[48]: 1757

In [49]: D['Beethoven']=1771

In [50]: D.update({'Beethoven': 1770})

In [51]: D
Out[51]: {'Beethoven': 1770, 'Mozart': 1757, 'Schubert': 1797}

In [52]: 'Mozart' in D
Out[52]: True

In [53]: 'Einstein' in D
Out[53]: False

In [54]: D.keys()
Out[54]: ['Schubert', 'Beethoven', 'Mozart']

In [55]: D.values()
Out[55]: [1797, 1770, 1757]

In [56]: # sets

In [57]: s=set([1,2,3,4])

In [58]: 2 in s
Out[58]: True

In [59]: 5 in s
Out[59]: False

In [60]: s.add(5)

In [61]: s
Out[61]: set([1, 2, 3, 4, 5])

In [62]: s2=set([3,4,5])

In [63]: s & s2 # intersection
Out[63]: set([3, 4, 5])

In [64]: s | s2 # union
Out[64]: set([1, 2, 3, 4, 5])

In [65]: s - s2 # difference
Out[65]: set([1, 2])

In [66]: s ^ s2 # symmetric difference
Out[66]: set([1, 2])

In [67]: n = 10

In [68]: if n == 12:
   ....:     n = 20
   ....:     print 'n was 12'
   ....: elif n == 13:
   ....:     print 'n was 13'
   ....: els:
------------------------------------------------------------
   File "<ipython console>", line 6
     els:
       ^
SyntaxError: invalid syntax


In [69]: if n == 12:
   ....:     n = 20
   ....:     print 'n was 12'
   ....: elif n == 13:
   ....:     print 'n was 13'
   ....: else:
   ....:     print 'something else'
   ....: 
something else

In [70]: n
Out[70]: 10

In [71]: while n > 2:
   ....:     print n
   ....:     n -= 2
   ....: 
10
8
6
4

In [72]: for k in [1,2,3,4]:
   ....:     print k
   ....: 
1
2
3
4

In [73]: range(5)
Out[73]: [0, 1, 2, 3, 4]

In [74]: range(1,5)
Out[74]: [1, 2, 3, 4]

In [75]: for n in reversed(range(3,11,2)):
   ....:     print n
   ....: 
9
7
5
3

In [76]: # loops

In [77]: D.items()
Out[77]: [('Schubert', 1797), ('Beethoven', 1770), ('Mozart', 1757)]

In [78]: for key, value in D.items():
   ....:     print key
   ....:     print value
   ....: 
Schubert
1797
Beethoven
1770
Mozart
1757

In [79]: for key, value in D.items():
   ....:     print '%s: %d' % (key, value)
   ....: 
Schubert: 1797
Beethoven: 1770
Mozart: 1757

In [80]: (1,2)
Out[80]: (1, 2)

In [81]: p=(1,2)

In [82]: p[0]
Out[82]: 1

In [83]: p[0]=3
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)

/Users/Jan/<ipython console> in <module>()

TypeError: 'tuple' object does not support item assignment

In [84]: a, b = (1, 2)

In [85]: a
Out[85]: 1

In [86]: b
Out[86]: 2

In [87]: a, b = 1, 2

In [88]: a
Out[88]: 1

In [89]: b
Out[89]: 2

In [90]: a, b = b, a

In [91]: a
Out[91]: 2

In [92]: b
Out[92]: 1

In [93]: # list comprehensions

In [94]: [x**2 for x in range(10)]
Out[94]: [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]

In [95]: [x**2 for x in range(10) if x % 2 == 0]
Out[95]: [0, 4, 16, 36, 64]

In [96]: values=[[0,1],[1,1]]

In [97]: 'a'.join(['b','c','d'])
Out[97]: 'bacad'

In [98]: csvtext='\n'.join(';'.join(str(value) for value in line) for line in values)

In [99]: csvtext
Out[99]: '0;1\n1;1'

In [100]: print csvtext
--------> print(csvtext)
0;1
1;1

In [101]: # in csv file: , instead of ;

In [102]: file=open('file.csv', 'w') # write access

In [103]: file.
file.__class__         file.__setattr__       file.newlines
file.__delattr__       file.__sizeof__        file.next
file.__doc__           file.__str__           file.read
file.__enter__         file.__subclasshook__  file.readinto
file.__exit__          file.close             file.readline
file.__format__        file.closed            file.readlines
file.__getattribute__  file.csv               file.seek
file.__hash__          file.encoding          file.softspace
file.__init__          file.errors            file.tell
file.__iter__          file.fileno            file.truncate
file.__new__           file.flush             file.write
file.__reduce__        file.isatty            file.writelines
file.__reduce_ex__     file.mode              file.xreadlines
file.__repr__          file.name              

In [103]: help(file)


In [104]: file.write(csvtext)

In [105]: file.close()

In [106]: # functions

In [107]: def f(n):
   .....:     return n**2
   .....: 

In [108]: f(3)
Out[108]: 9

In [109]: file.
file.__class__         file.__setattr__       file.newlines
file.__delattr__       file.__sizeof__        file.next
file.__doc__           file.__str__           file.read
file.__enter__         file.__subclasshook__  file.readinto
file.__exit__          file.close             file.readline
file.__format__        file.closed            file.readlines
file.__getattribute__  file.csv               file.seek
file.__hash__          file.encoding          file.softspace
file.__init__          file.errors            file.tell
file.__iter__          file.fileno            file.truncate
file.__new__           file.flush             file.write
file.__reduce__        file.isatty            file.writelines
file.__reduce_ex__     file.mode              file.xreadlines
file.__repr__          file.name              

In [109]: import re

In [110]: re.
re.DEBUG             re.__doc__           re._expand
re.DOTALL            re.__file__          re._pattern_type
re.I                 re.__format__        re._pickle
re.IGNORECASE        re.__getattribute__  re._subx
re.L                 re.__hash__          re.compile
re.LOCALE            re.__init__          re.copy_reg
re.M                 re.__name__          re.error
re.MULTILINE         re.__new__           re.escape
re.S                 re.__package__       re.findall
re.Scanner           re.__reduce__        re.finditer
re.T                 re.__reduce_ex__     re.match
re.TEMPLATE          re.__repr__          re.purge
re.U                 re.__setattr__       re.search
re.UNICODE           re.__sizeof__        re.split
re.VERBOSE           re.__str__           re.sre_compile
re.X                 re.__subclasshook__  re.sre_parse
re._MAXCACHE         re.__version__       re.sub
re.__all__           re._alphanum         re.subn
re.__builtins__      re._cache            re.sys
re.__class__         re._cache_repl       re.template
re.__delattr__       re._compile          

In [110]: from urllib2 import urlopen

In [111]: urlo
---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)

/Users/Jan/<ipython console> in <module>()

NameError: name 'urlo' is not defined

In [112]: urlfile=urlopen('http://www.google.at')

In [113]: urlfile
Out[113]: <addinfourl at 20475296 whose fp = <socket._fileobject object at 0x13837b0>>

In [114]: content=urlfile.read()

In [115]: content
Out[115]: '<!doctype html><html><head><meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"><title>Google</title><script>window.google={kEI:"lVynS42SIM-C_Qbyk5jCAg",kEXPI:"23925,23940,24097",kCSI:{e:"23925,23940,24097",ei:"lVynS42SIM-C_Qbyk5jCAg",expi:"23925,23940,24097"},ml:function(){},kHL:"de",time:function(){return(new Date).getTime()},log:function(b,d,c){var a=new Image,e=google,g=e.lc,f=e.li;a.onerror=(a.onload=(a.onabort=function(){delete g[f]}));g[f]=a;c=c||"/gen_204?atyp=i&ct="+b+"&cad="+d+"&zx="+google.time();a.src=c;e.li=f+1},lc:[],li:0,Toolbelt:{}};\nwindow.google.sn="webhp";window.google.timers={load:{t:{start:(new Date).getTime()}}};try{}catch(u){}window.google.jsrt_kill=1;\nvar _gjwl=location;function _gjuc(){var e=_gjwl.href.indexOf("#");if(e>=0){var a=_gjwl.href.substring(e);if(a.indexOf("&q=")>0||a.indexOf("#q=")>=0){a=a.substring(1);if(a.indexOf("#")==-1){for(var c=0;c<a.length;){var d=c;if(a.charAt(d)=="&")++d;var b=a.indexOf("&",d);if(b==-1)b=a.length;var f=a.substring(d,b);if(f.indexOf("fp=")==0){a=a.substring(0,c)+a.substring(b,a.length);b=c}else if(f=="cad=h")return 0;c=b}_gjwl.href="/search?"+a+"&cad=h";return 1}}}return 0}function _gjp(){!(window._gjwl.hash&&\nwindow._gjuc())&&setTimeout(_gjp,500)};\nwindow._gjp && _gjp()</script><style>td{line-height:.8em;}.gac_m td{line-height:17px;}form{margin-bottom:20px;}body,td,a,p,.h{font-family:arial,sans-serif}.h{color:#36c;font-size:20px}.q{color:#00c}.ts td{padding:0}.ts{border-collapse:collapse}em{font-weight:bold;font-style:normal}.lst{font:17px arial,sans-serif;margin-bottom:.2em;vertical-align:bottom;}input{font-family:inherit}.lsb,.gac_sb{font-size:15px;height:1.85em!important;margin:.2em;}#gbar{height:22px}.gbh,.gbd{border-top:1px solid #c9d7f1;font-size:1px}.gbh{height:0;position:absolute;top:24px;width:100%}#guser{padding-bottom:7px !important;text-align:right}#gbar,#guser{font-size:13px;padding-top:1px !important}@media all{.gb1{height:22px;margin-right:.5em;vertical-align:top}#gbar{float:left}}a.gb1,a.gb4{color:#00c !important}</style><script>google.y={};google.x=function(e,g){google.y[e.id]=[e,g];return false};</script></head><body bgcolor=#ffffff text=#000000 link=#0000cc vlink=#551a8b alink=#ff0000 onload="document.f.q.focus();if(document.images)new Image().src=\'/images/nav_logo8.png\'" topmargin=3 marginheight=3><textarea id=csi style=display:none></textarea><div id=ghead><div id=gbar><nobr><b class=gb1>Web</b> <a onclick=gbar.qs(this) href="http://images.google.at/imghp?hl=de&tab=wi" class=gb1>Bilder</a> <a onclick=gbar.qs(this) href="http://video.google.at/?hl=de&tab=wv" class=gb1>Videos</a> <a onclick=gbar.qs(this) href="http://maps.google.at/maps?hl=de&tab=wl" class=gb1>Maps</a> <a onclick=gbar.qs(this) href="http://news.google.at/nwshp?hl=de&tab=wn" class=gb1>News</a> <a onclick=gbar.qs(this) href="http://books.google.at/bkshp?hl=de&tab=wp" class=gb1>B\xfccher</a> <a href="http://mail.google.com/mail/?hl=de&tab=wm" class=gb1>Google Mail</a> <a href="http://www.google.at/intl/de/options/" class=gb1 style="text-decoration:none"><u>Mehr</u> &raquo;</a></nobr></div><div id=guser width=100%><nobr><a href="/url?sa=p&pref=ig&pval=3&q=http://www.google.at/ig%3Fhl%3Dde%26source%3Diglk&usg=AFQjCNGlJrQgKRUbWxCPKYe_D0OQAw_2cA" class=gb4>iGoogle</a> | <a href="/preferences?hl=de" class=gb4>Sucheinstellungen</a> | <a href="https://www.google.com/accounts/Login?hl=de&continue=http://www.google.at/" class=gb4>Anmelden</a></nobr></div><div class=gbh style=left:0></div><div class=gbh style=right:0></div></div> <center><br clear=all id=lgpd><img alt="Google" height=110 src="/intl/de_at/images/logo.gif" width=313 id=logo onload="window.lol&&lol()"><br><br><form action="/search" name=f><table cellpadding=0 cellspacing=0><tr valign=top><td width=25%>&nbsp;</td><td align=center nowrap><input name=hl type=hidden value=de><input name=source type=hidden value=hp><input type=hidden name=ie value="ISO-8859-1"><input autocomplete="off" maxlength=2048 name=q size=55 class=lst title="Google-Suche" value=""><br><input name=btnG type=submit value="Google-Suche" class=lsb><input name=btnI type=submit value="Auf gut Gl\xfcck!" class=lsb></td><td nowrap width=25% align=left><font size=-2>&nbsp;&nbsp;<a href="/advanced_search?hl=de">Erweiterte Suche</a><br>&nbsp;&nbsp;<a href="/language_tools?hl=de">Sprachtools</a></font></td></tr><tr><td align=center colspan=3><font size=-1><span style="text-align:left">Suche: <input id=all type=radio name=meta value="" checked><label for=all> Das Web </label> <input id=lgr type=radio name=meta value="lr=lang_de"><label for=lgr> Seiten auf Deutsch </label> <input id=cty type=radio name=meta value="cr=countryAT"><label for=cty> Seiten aus \xd6sterreich </label> </span></font></td></tr></table></form><br><span id=footer><center id=fctr><br><font size=-1><a href="/intl/de/ads/">Werben mit Google</a> - <a href="/intl/de/services/">Unternehmensangebote</a> - <a href="/intl/de/about.html">\xdcber Google</a> - <a href="http://www.google.com/ncr">Google.com in English</a></font><p><font size=-2>&copy;2010 - <a href="/intl/de/privacy.html">Datenschutz</a></font></p></center></span> <div id=xjsd></div><div id=xjsi><script>if(google.y)google.y.first=[];if(google.y)google.y.first=[];google.dstr=[];google.rein=[];window.setTimeout(function(){var a=document.createElement("script");a.src="/extern_js/f/CgJkZRICYXQgACswCjheQB0sKzAOOAwsKzAXOAYsKzAYOAUsKzAlOMqIASwrMCY4CSwrMCc4BCwrMDw4AiwrMEA4DCwrMEQ4AiwrMEU4ASw/qZZyZviNl38.js";(document.getElementById("xjsd")||document.body).appendChild(a);if(google.timers&&google.timers.load.t)google.timers.load.t.xjsls=(new Date).getTime();},0);\n;google.neegg=1;google.y.first.push(function(){google.ac.b=true;google.ac.i(document.f,document.f.q,\'\',\'\',\'\',{a:0,o:0});google.History&&google.History.initialize(\'/\')});if(google.j&&google.j.en&&google.j.xi){window.setTimeout(google.j.xi,0);google.fade=null;}</script></div><script>(function(){\nvar b,d,e,f;function g(a,c){if(a.removeEventListener){a.removeEventListener("load",c,false);a.removeEventListener("error",c,false)}else{a.detachEvent("onload",c);a.detachEvent("onerror",c)}}function h(a){f=(new Date).getTime();++d;a=a||window.event;var c=a.target||a.srcElement;g(c,h)}var i=document.getElementsByTagName("img");b=i.length;d=0;for(var j=0,k;j<b;++j){k=i[j];g(k,h);if(k.complete||typeof k.src!="string"||!k.src)++d;else if(k.addEventListener){k.addEventListener("load",h,false);k.addEventListener("error",\nh,false)}else{k.attachEvent("onload",h);k.attachEvent("onerror",h)}}e=b-d;function l(){google.timers.load.t.ol=(new Date).getTime();google.timers.load.t.iml=f;google.kCSI.imc=d;google.kCSI.imn=b;google.kCSI.imp=e;google.report&&google.report(google.timers.load,google.kCSI)}if(window.addEventListener)window.addEventListener("load",l,false);else if(window.attachEvent)window.attachEvent("onload",l);google.timers.load.t.prt=(f=(new Date).getTime());\n})();\n</script>'

In [116]: print content
--------> print(content)
<!doctype html><html><head><meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"><title>Google</title><script>window.google={kEI:"lVynS42SIM-C_Qbyk5jCAg",kEXPI:"23925,23940,24097",kCSI:{e:"23925,23940,24097",ei:"lVynS42SIM-C_Qbyk5jCAg",expi:"23925,23940,24097"},ml:function(){},kHL:"de",time:function(){return(new Date).getTime()},log:function(b,d,c){var a=new Image,e=google,g=e.lc,f=e.li;a.onerror=(a.onload=(a.onabort=function(){delete g[f]}));g[f]=a;c=c||"/gen_204?atyp=i&ct="+b+"&cad="+d+"&zx="+google.time();a.src=c;e.li=f+1},lc:[],li:0,Toolbelt:{}};
window.google.sn="webhp";window.google.timers={load:{t:{start:(new Date).getTime()}}};try{}catch(u){}window.google.jsrt_kill=1;
var _gjwl=location;function _gjuc(){var e=_gjwl.href.indexOf("#");if(e>=0){var a=_gjwl.href.substring(e);if(a.indexOf("&q=")>0||a.indexOf("#q=")>=0){a=a.substring(1);if(a.indexOf("#")==-1){for(var c=0;c<a.length;){var d=c;if(a.charAt(d)=="&")++d;var b=a.indexOf("&",d);if(b==-1)b=a.length;var f=a.substring(d,b);if(f.indexOf("fp=")==0){a=a.substring(0,c)+a.substring(b,a.length);b=c}else if(f=="cad=h")return 0;c=b}_gjwl.href="/search?"+a+"&cad=h";return 1}}}return 0}function _gjp(){!(window._gjwl.hash&&
window._gjuc())&&setTimeout(_gjp,500)};
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In [117]: len(content)
Out[117]: 6926

In [118]: from xml.dom.
xml.dom.NodeFilter    xml.dom.minicompat    xml.dom.xmlbuilder
xml.dom.domreg        xml.dom.minidom       
xml.dom.expatbuilder  xml.dom.pulldom       

In [118]: from xml.dom.minidom import parseString

In [119]: xmltext='<parent><tag a="b">c</tag></parent>'

In [120]: doc=parseString(xmltext)

In [121]: doc
Out[121]: <xml.dom.minidom.Document instance at 0x13b7760>

In [122]: doc.
Display all 100 possibilities? (y or n)
doc.ATTRIBUTE_NODE               doc.createCDATASection
doc.CDATA_SECTION_NODE           doc.createComment
doc.COMMENT_NODE                 doc.createDocumentFragment
doc.DOCUMENT_FRAGMENT_NODE       doc.createElement
doc.DOCUMENT_NODE                doc.createElementNS
doc.DOCUMENT_TYPE_NODE           doc.createProcessingInstruction
doc.ELEMENT_NODE                 doc.createTextNode
doc.ENTITY_NODE                  doc.doctype
doc.ENTITY_REFERENCE_NODE        doc.documentElement
doc.NOTATION_NODE                doc.documentURI
doc.PROCESSING_INSTRUCTION_NODE  doc.encoding
doc.TEXT_NODE                    doc.errorHandler
doc.__class__                    doc.firstChild
doc.__doc__                      doc.getElementById
doc.__init__                     doc.getElementsByTagName
doc.__module__                   doc.getElementsByTagNameNS
doc.__nonzero__                  doc.getInterface
doc._call_user_data_handler      doc.getUserData
doc._child_node_types            doc.hasChildNodes
doc._create_entity               doc.implementation
doc._create_notation             doc.importNode
doc._elem_info                   doc.insertBefore
doc._get_actualEncoding          doc.isSameNode
doc._get_async                   doc.isSupported
doc._get_childNodes              doc.lastChild
doc._get_doctype                 doc.load
doc._get_documentElement         doc.loadXML
doc._get_documentURI             doc.localName
doc._get_elem_info               doc.namespaceURI
doc._get_encoding                doc.nextSibling
doc._get_errorHandler            doc.nodeName
doc._get_firstChild              doc.nodeType
doc._get_lastChild               doc.nodeValue
doc._get_localName               doc.normalize
doc._get_standalone              doc.ownerDocument
doc._get_strictErrorChecking     doc.parentNode
doc._get_version                 doc.prefix
doc._id_cache                    doc.previousSibling
doc._id_search_stack             doc.removeChild
doc._magic_id_count              doc.renameNode
doc._set_async                   doc.replaceChild
doc.abort                        doc.saveXML
doc.actualEncoding               doc.setUserData
doc.appendChild                  doc.standalone
doc.async                        doc.strictErrorChecking
doc.attributes                   doc.toprettyxml
doc.childNodes                   doc.toxml
doc.cloneNode                    doc.unlink
doc.createAttribute              doc.version
doc.createAttributeNS            doc.writexml

In [122]: doc.
------------------------------------------------------------
   File "<ipython console>", line 1
     doc.
         ^
SyntaxError: invalid syntax


In [123]: xmltext
Out[123]: '<parent><tag a="b">c</tag></parent>'

In [124]: doc.getElementsByTagName('tag')
Out[124]: [<DOM Element: tag at 0x13bd5f8>]

In [125]: tag=doc.getElementsByTagName('tag')[0]

In [126]: tag
Out[126]: <DOM Element: tag at 0x13bd5f8>

In [127]: tag.getAttribute('a')
Out[127]: u'b'

In [128]: tag.chil
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)

/Users/Jan/<ipython console> in <module>()

AttributeError: Element instance has no attribute 'chil'

In [129]: tag.firstChild
Out[129]: <DOM Text node "u'c'">

In [130]: tag.firstChild.nodeValue
Out[130]: u'c'

In [131]: json_data='{"list":[1,2]}'

In [132]: import json

In [133]: json.loads(json_data)
Out[133]: {u'list': [1, 2]}

In [134]: json.loads(json_data)['list']
Out[134]: [1, 2]

In [135]: json.loads(json_data)['list'][0]
Out[135]: 1

In [136]: import networkx as nx

In [137]: G=nx.Graph()

In [138]: G.add_node(1)

In [139]: G.add_node('me')

In [140]: G.add_node('you')

In [141]: G.add_edge('me','you')

In [142]: G.add_edge(2,3)

In [143]: G.nodes()
Out[143]: ['me', 1, 'you', 3, 2]

In [144]: G.edges()
Out[144]: [('me', 'you'), (3, 2)]

In [145]: nx.is_connected(G)
Out[145]: False

In [146]: nx.connected_components(G)
Out[146]: [['me', 'you'], [2, 3], [1]]

In [147]: import matplotlib.pyplot as plt

In [148]: plt.figure()
Out[148]: <matplotlib.figure.Figure object at 0x21b3270>

In [149]: nx.draw(G)

In [150]: plt.savefig('plot.png')

In [151]: plt.figure()
Out[151]: <matplotlib.figure.Figure object at 0x6327790>

In [152]: pos = nx.spring_layout(G)

In [153]: pos
Out[153]: 
{1: array([ 0.        ,  0.43226852]),
 2: array([ 0.86005919,  0.04649485]),
 3: array([ 0.7840669,  0.       ]),
 'me': array([ 0.6256048,  1.       ]),
 'you': array([ 0.61016559,  0.90822988])}

In [154]: help(nx.spring_layout)


In [155]: nx.draw_networkx_edges(G, pos)
Out[155]: <matplotlib.collections.LineCollection object at 0x6327e50>

In [156]: nx.draw_networkx_nodes(G, pos, [1,2,3], node_color='r')
Out[156]: <matplotlib.collections.CircleCollection object at 0x69887b0>

In [157]: nx.draw_n
nx.draw_networkx              nx.draw_networkx_labels
nx.draw_networkx_edge_labels  nx.draw_networkx_nodes
nx.draw_networkx_edges        

In [157]: nx.draw_networkx_nodes(G, pos, ["me", "you"], node_color='b')
Out[157]: <matplotlib.collections.CircleCollection object at 0x13b9ab0>

In [158]: nx.draw_networkx_labels(G, pos)
Out[158]: 
{1: <matplotlib.text.Text object at 0x6988a90>,
 2: <matplotlib.text.Text object at 0x6988cb0>,
 3: <matplotlib.text.Text object at 0x6988c30>,
 'me': <matplotlib.text.Text object at 0x6988af0>,
 'you': <matplotlib.text.Text object at 0x6988b90>}

In [159]: nx.savefig('plot2.png')
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)

/Users/Jan/<ipython console> in <module>()

AttributeError: 'module' object has no attribute 'savefig'

In [160]: plt.savefig('plot2.png')

In [161]: