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m2 = PanedWindow(m1, orient=VERTICAL)m1.add(m2)top = Label(m2, text="top pane")m2.add(top)bottom = Label(m2, text="bottom pane")m2.add(bottom)mainloop()When the above code is executed, it produces the following result:LabelFrame A labelframe is a simple container widget. Its primary purpose is to act as a spacer or container for complexwindow layouts.This widget has the features of a frame plus the ability to display a label.Syntax: Here is the simple syntax to create this widget:w = LabelFrame( master, option, ... )Parameters: • master: This represents the parent window.• options: Here is the list of most commonly used options for this widget. These options can be used as keyvaluepairs separated by commas.OptionbgBdcursorDescriptionThe normal background color displayed behind the label and indicator.The size of the border around the indicator. Default is 2 pixels.If you set this option to a cursor name (arrow, dot etc.), the mouse cursor will change tothat pattern when it is over the checkbutton.TUTORIALS POINT Simply Easy Learning
fontheightlabelAnchorhighlightbackgroundhighlightcolorhighlightthicknessrelieftextThe vertical dimension of the new frame.The vertical dimension of the new frame.Specifies where to place the label.Color of the focus highlight when the frame does not have focus.Color shown in the focus highlight when the frame has the focus.Thickness of the focus highlight.With the default value, relief=FLAT, the checkbutton does not stand out from itsbackground. You may set this option to any of the other stylesSpecifies a string to be displayed inside the widget.widthExample: Specifies the desired width for the window.Try the following example yourself. Here's how to create a labelframe widget:from Tkinter import *root = Tk()labelframe = LabelFrame(root, text="This is a LabelFrame")labelframe.pack(fill="both", expand="yes")left = Label(labelframe, text="Inside the LabelFrame")left.pack()root.mainloop()When the above code is executed, it produces the following result:tkMessageBox The tkMessageBox module is used to display message boxes in your applications. This module provides anumber of functions that you can use to display an appropriate message.Some of these functions are showinfo, showwarning, showerror, askquestion, askokcancel, askyesno andaskretryignore.TUTORIALS POINT Simply Easy Learning
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Python Tutorial
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ABOUT THE TUTORIALPython TutorialPy
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Description .......................
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Syntax ............................
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Example ...........................
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Parameters ........................
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Return Value ......................
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Parameters ........................
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Parameters ........................
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Locating Modules: .................
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Parameters ........................
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Description .......................
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Return Value ......................
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Example ...........................
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Parameters ........................
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Regular-expression Modifiers - Opti
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Starting a New Thread: ............
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Example: ..........................
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CHAPTER1Python OverviewPython is a
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CHAPTER2Python EnvironmentBefore we
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• To use this installer python-XY
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-c cmd run Python script sent in as
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This will produce the following res
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file_name = raw_input("Enter filena
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$ python -husage: python [option] .
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print 'Input file is "', inputfilep
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Here, an integer object is created
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Python Lists: Lists are the most v
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FunctionDescriptionint(x [,base])Co
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CHAPTER5Python Basic OperatorsWhat
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Line 4 - Value of c is 2Line 5 - Va
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Line 5 - a is greater than bLine 6
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| Binary OR Operator copies a bit i
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else:print "Line 3 - a and b are tr
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if ( id(a) == id(b) ):print "Line 2
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When you execute the above program,
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if statementsif...else statementsne
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Example: #!/usr/bin/pythonvar1 = 10
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else:print "Could not find true exp
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Loop Typewhile loopfor loopDescript
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num = raw_input("Enter a number :")
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Good bye!Iterating by Sequence I
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11 is prime13 is prime17 is prime19
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continue statement The continue st
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CHAPTER8Python NumbersNumber data t
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max(x1, x2,...)min(x1, x2,...)modf(
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Syntax Following is the syntax for
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import math# This will import math
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import mathmath.log10( x )Note: Thi
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modf(x) Description The method modf
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round( x [, n] )Parameters • x --
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Return Value This method returns a
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seed([x]) Description The method se
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asin(x)Note: This function is not a
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print "atan2(-10,10) : ", math.atan
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Note: This function is not accessib
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import mathprint "degrees(3) : ", m
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CHAPTER9Python StringsStrings are a
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+ Concatenation - Adds values on ei
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TAB ( \t ) and they will show up th
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str = "this is string example....wo
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Return Value This method returns a
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Description The method expandtabs()
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Traceback (most recent call last):F
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Let us compile and run the above pr
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str = "This is string example....wo
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str = "-";seq = ("a", "b", "c"); #
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lstrip() Description The method lst
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Max character: xmin(str) Descriptio
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str = "this is really a string exam
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Parameters • chars -- You can sup
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Parameters• str -- This is the st
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Parameters • NAReturn Value This
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Example The following example shows
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CHAPTER10Python ListsThe most basic
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Python Expression Results Descripti
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list( seq )Parameters • seq -- Th
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Return Value If elements are of th
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list.insert(index, obj)Parameters
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CHAPTER11Python TuplesAtuple is a s
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len((1, 2, 3)) 3 Length(1, 2, 3) +
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-11-1len(tuple) Description The met
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min value element : 200tuple(seq) D
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#!/usr/bin/pythondict = {'Name': 'Z
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34str(dict)Produces a printable str
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type(variable) Description The meth
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Return Value This method does not
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CHAPTER13Python Date & TimeApython
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#!/usr/bin/pythonimport time;localt
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import timeprint "time.altzone %d "
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Parameters • sec -- These are the
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• %w - day of the week as a decim
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time.time( ) Description The metho
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2time.tznameAttribute time.tzname i
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CHAPTER14Python FunctionAfunction i
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#!/usr/bin/python# Function definit
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return;# Now you can call printinfo
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Inside the function : 30Outside the
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A module is loaded only once, regar
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'sqrt', 'tan', 'tanh']Here, the spe
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CHAPTER16Python Files I/OThis chapt
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rb+WWbw+wb+AAba+ab+Opens a file for
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fo.write( "Python is a great langua
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EXAMPLE: Following is the example t
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operations from the operating syste
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# Close opened filefo.close()Let us
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Parameters • NAReturn Value This
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Parameters • offset -- This is th
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Parameters • size -- If this opti
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Description The method writelines()
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53545556575859606162os.symlink(src,
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• stat.S_IRGRP: Read by group.•
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os.chroot("/tmp/usr")print "Changed
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Parameters • fd -- This is the or
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import os, sys# First go to the "/v
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Description The method fchown() cha
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Description The method fdopen() ret
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{'PC_MAX_INPUT': 2, 'PC_VDISABLE':
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# Open a filefd = os.open( "foo.txt
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print "Current working dir : %s" %
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path = "/var/www/html/foo.txt"fd =
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_vti_txtrobots.txtitemlistingresume
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# Close opened fileos.close( fd )#
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dev_num = os.makedev(major_dnum, mi
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-rw-------. 1 root root 0 Apr 30 02
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os.pathconf(path, name) Descriptio
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Description The method popen() open
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# !/usr/bin/pythonimport ossrc = '/
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# stat informationstatinfo = os.sta
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Description The method tcgetpgrp()
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os.tempnam(dir, prefix)Parameters
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Description The method ttyname() re
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Return Value This method returns t
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KeyErrorNameErrorUnboundLocalErrorE
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......................else:If there
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print "Error: can\'t find file or r
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self.args = argSo once you defined
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'Optional class documentation strin
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For the above class let's try to ac
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print 'Calling child method'c = Chi
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Data Hiding: An object's attribute
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groups()This method returns all mat
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SYNTAX: re.sub(pattern, repl, strin
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\s Matches whitespace. Equivalent t
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Backreferences: This matches a prev
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CHAPTER20Python CGI ProgrammingWhat
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If you click hello.py, then this pr
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Simple URL Example : Get Metho
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</form>The result of this code is t
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text_content = form.getvalue('textc
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Here is an example of how to retrie
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CHAPTER21Python Database AccessThe
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EXAMPLE: Following is the example o
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('Mac', 'Mohan', 20, 'M', 2000)try:
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DELETE Operation: DELETE operation
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ProgrammingErrorSubclass of Databas
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The socket Module: To create a so
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Protocol Common function Port No Py
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Subject: SMTP e-mail testThis is a
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try:smtpObj = smtplib.SMTP('localho
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Page 359 and 360: Synchronizing Threads: The threadi
Page 361 and 362: thread = myThread(threadID, tName,
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Page 365 and 366: print "Rating:", self.ratingelif se
Page 367 and 368: Format: DVDRating: PGDescription: T
Page 369 and 370: Tkinter Widgets Tkinter provides v
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Page 377 and 378: The Entry widget is used to accept
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Page 383 and 384: selectmodeDetermines how many items
Page 385 and 386: Syntax: Here is the simple syntax t
Page 387 and 388: Menu The goal of this widget is to
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Page 391 and 392: Example: Try the following example
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Page 397 and 398: Parameters: • master: This repres
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Page 411 and 412: Standard attributes:Let's take a l
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Page 415 and 416: B2.pack()B3.pack()B4.pack()B5.pack(
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Page 425 and 426: Passing Function Parameters: Beca
Page 427 and 428: return (a + b)You can return two va
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Page 431: The profile Module: The profile m
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