python tkinter examples

The sample code for sending the message is as follows: fromWebutilsImportProperitiesload fromEmail.mime.textImportMimetext fromEmail.mime.multipartImportMimemultipartImportSmtplibImportOSclasssendmails ():" "to send a message with an attachment, you first create an instance of Mimemultipart (), and then construct the attachment, which, if there are multiple attachments, can be constructed in turn and then sent using SMTPLIB.SMTP. " " def __init__(self): Mail=properitiesload.lodingproperities

1L1 = List (['W','u','W','e','N'])2L1.append ('I')3L1.append (['s','s'])#Append parameters to the original type4L1.append ('SB')5L1.append (6)#You can add numbers6 Print(L1)7 8result = L1.count ('s')9 Print(Result)Ten One #extend can only add iterable when parameters: Array, string, list AL1.extend ([' the',' the'])#Expand the contents of the parameter -L1.extend (' the')#the string was taken apart. -L1.extend ('999')#can't add a number to the error the Print(L1) - -result = L1.index ('W')#Fin

Closures, interpreted in Wikipedia as: In programming languages, a closure (also lexical closure or function closure) is a function or Refe Rence to a function together with a referencing environment-a table storing a reference to each of the non-local (also called free variables or upvalues) of the that function. My understanding is that closures are entities that are combined by functions and reference environments associated with them. Non-local variables are referenced in the function of th

1 #Coding=utf-82name_l = []3passwd_l = []4money_l = []5Goods = {}6index =07 defInput_user ():8 Print("Enter personal information:")9 whileTrue:TenName = input ("Name:") One ifName = ="End it! ": A Break -passwd = input ("passwd:") -Money = Float (input ("Money :")) the name_l.append (name) - passwd_l.append (passwd) - Money_l.append (Money) - + - deflogin (): + Print("Login:") ASUC =False at while notsuc: -Name = input ("Name:") - ifName not inch

One, code example #-*-Coding:utf-8-*-import requestsheader = {' user-agent ': ' mozilla/5.0 (Windows NT 6.1;Win64; x64) applewebkit/537.36 (khtml, like Gecko) chrome/53.0.2785.143 safari/537.36 '}proxy_ip = {' https ': ' https://115.28.1 48.137:8118 '}html = Requests.get ("http://www.baidu.com", Headers=header, proxies=proxy_ip) print Htmlprint Html.text Second, by modifying the proxy IP server address of the PROXY_IP parameter, you can change the proxy IPThird, error

()) A at Print("\ n-----------------split line-----------------\ n") - - #time.ctime ([secs]) functions equivalent to Asctime (localtime (secs)), parameter is equivalent to Asctime () - Print("time.ctime ():", Time.ctime ()) - - Print("\ n-----------------split line-----------------\ n") in - #time.gmtime ([secs]) accepts a timestamp (the number of floating-point seconds elapsed in the 1970 ERA), returning the time tuple under Greenwich Astronomical TIME to Print("time.gmtime ([secs])", Tim

response to this situation, We can do this by adding one more clause t.join () before Queue.join ().If we get rid of the Queue.task_done () function in the customer function, we can run theITEM0 ProduceProcess Item0 finishedITEM1 ProduceProcess Item1 finishedITEM2 ProduceProcess Item2 finishedITEM3 ProduceProcess Item3 finishedITEM4 ProduceProcess Item4 finishedNote that the program never ends, and the last line end statement does not appear. Because at join there, although the queue is already

to: https://github.com/Grokzen/redis-py-cluster/tree/master/testsImport redisfrom rediscluster import rediscluster def main (): Startup_nodes = [{"Host": "127.0.0.1", "Port": "7000"}] r c = Rediscluster (Startup_nodes=startup_nodes, decode_responses=true) print '--------get/set---------' if not rc.set ("foo", "Hello, Redis-py-cluster"): print ' Set foo to cluster failed!!! ' return-1 print ' foo =%s '% (Rc.get ("foo"),) if __name__ = = ' __main__ ': Main ()This article is from the "Quiet lunati

)String tuples: Tuple (String)In []: sOUT[24]: [' A ', ' a ', ' a ']in [+]: tuple (s)OUT[26]: (' A ', ' a ', ' a ')Tuple to string: '. Join (tuple)In [SI]: type (a)OUT[54]: Tuplein [+]: a = str (a)in [+]: AOUT[56]: "(' A ', ' B ', ' C ', 111)"In [the]: type (a)OUT[57]: StrDictionary goto list:in [+]: dic = {' A ': 1, ' B ': 2}in [+]: dicOUT[29]: {' A ': 1, ' B ': 2}in [+]: Dic.items ()OUT[30]: [(' A ', 1), (' B ', 2)]List to Dictionary:In [to]: L1 = Dic.items ()in [+]: L1OUT[32]: [(' A ', 1), ('

Python file operations and examples, Python file operations and Examples I. File Operations 1. File Operation Process Open the file, get the file handle, and assign it to a variable. Operate a file using a handle Close file The existing files are as follows: Last night, the cold was not audible. It's already t

Examples of argparse module usage in python This example describes how to use the argparse module in python. Share it with you for your reference. The specific analysis is as follows: Parameters are often included when writing a command line tool, so it is implemented using argparse in python. ? 1 2 3 4 5

Examples of subprocess module usage in Python This example describes how to use the subprocess module in Python. Share it with you for your reference. The details are as follows: Run the following command: ? 1 2 3 4 >>> Subprocess. call (["ls", "-l"]) 0 >>> Subprocess. call ("exit 1", shell = True) 1 Test and call the cmd command in

Examples of the three functions of comma in Python This example describes the three functions of comma in Python. Share it with you for your reference. The specific analysis is as follows: Recently I have encountered a comma problem in python, but I haven't figured it out yet. 1. Use of commas in parameter transmission

This article mainly introduces the Python complex attribute and method operation operation, combined with the instance form Analysis Python complex operation related operation skill, the code comment has the detailed explanation, the need friend can refer to the next The examples in this article describe Python comple

. Abstract Abstraction is a very common concept in mathematics. As an example: Calculate the sum of the series, for example: 1 + 2 + 3 + ... + 100, it is very inconvenient to write, so mathematicians invented the summation symbol ∑, you can put 1 + 2 + 3 + ... + 100: 100∑nn=1 This abstract notation is very powerful, because we see that ∑ can be understood as sums, rather than reduced to lower-level addition operations. Moreover, this abstract notation is extensible, such as: 100∑ (n2+1) n=1 Th

This article mainly introduces the tail recursion usage in python, and analyzes the tail recursion principle and related usage skills in detail, which is of great practical value, for more information about tail recursion in python, see the examples in this article. Share it with you for your reference. The specific analysis is as follows: If all recursive calls

urllib. parse import urllib. request url = "http://www.google.cn/webhp" values = {"rls": "ig"} data = urllib. parse. urlencode (values) theurl = url + "? "+ Data # Create a request object req = urllib. request. request (theurl) # get the data returned by the server response = urllib. request. urlopen (req) # process data page = response. read () There are 2 common methods, geturl (), info () Geturl () is set to identify whether there is server-side URL redirection, while info () contains a seri

reflection in Java or C #? One of the important functions of reflection is to delay loading so that it can be decoupled, which makes the system more efficient to run. As a dynamic language, Python is clearly more powerful in this area,GetAttr () is a block that implements Python reflection, and in combination with other methods such as SetAttr (), dir (), we can make a lot of interesting things.Let's look

invoked directly. Abstract Abstraction is a very common concept in mathematics. As an example: Calculation of the sum of the series, such as: 1 + 2 + 3 + ... + 100, writing is very inconvenient, so mathematicians invented the summation symbol ∑, can be 1 + 2 + 3 + ... + 100: ∑n N=1 This kind of abstract notation is very powerful, because we see ∑ can be understood as summation, rather than reduced to lower-level addition operations. Moreover, this abstract notation is extens

3.0s] And the time for the second visit is [finished in 0.2s] The Python urllib module is visible with a cache Typical examples of URLLIB/2 usage Copy Code code as follows: Import Urllib2 Import Cookielib Import Urllib Class Hi_login:def __init__ (self):Cookie = Cookielib. Cookiejar ()Self.cookie = Urllib2. Httpcookieprocessor (cookie) ##### Generate Cookies ### def login (self,user,pw