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Data Analysis from Scratch

In this post, we will study the data about atheletes and try to analyze the results. Reading the data set Creating a copy of the DataFrame Data Exploration It will give the first and last 4 results respectively. It will return the number of rows and columns. This will return the information about data types […]

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SQL Alter Table Add Column

In SQL, Alter is a Data Definition Language (DDL) that is used to add, delete, or modify columns in an existing table. If an existing table has some constraints, Alter commands can also be used to change it. In this post, we will add a new column in a SQL table using Alter command. We

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Tkinter Python GUI Tutorial

Searching for a complete tutorial on Python Tkinter GUI, then look no forward. This is the best article of tkinter library on the internet. It’s the complete information about tkinter in which we have covered from basic to developer level advance. So let’s start with the very basic. What is Tkinter? Tkinter is a standard

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setTimeout Javascript

setTimeout() is a method in JavaScript that allows to execute a piece of code after a certain interval of time. This means, what you want to perform through code after a certain delay of time, the setTimeout() method helps in it. You can think of the method as a way to set a timer to

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JavaScript Confirm() Method

JavaScript is one of the evergreen front-end script languages, that has been used to make the web experience better. In JavaScript, we have various in-built methods for different functionalities. In this post, we will talk about Confirm() method of JavaScript and its use case. Confirm() method in JavaScript is used to show a pop-up dialog

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List of Dictionaries in Python

In this tutorial, we will see about Python’s list of dictionaries ie. a dictionary inside a list, and how to manage its data. In Python, the basic data structures include lists, sets, tuples, and dictionaries. Each of the data structures is unique in its own way. You can read more about these data structures on

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What is Tk () in Tkinter?

In Tkinter, Tk() is a class constructor that creates an instance of the main window or the root window for a Tkinter application. The Tk() function initializes the Tcl interpreter and creates a top-level Tkinter window that serves as the main container for all the other widgets and graphical elements in your application. Here’s a

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Is it worth learning Tkinter?

Yes, learning Tkinter can be worth it depending on your goals and interests. Tkinter is a popular Python library for creating graphical user interfaces (GUIs), and it provides a simple and efficient way to build desktop applications with Python. Here are some reasons why learning Tkinter can be valuable: However, it’s worth noting that Tkinter

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Which is the best, PyQt or Tkinter?

PyQt vs Tkinter: Comparison The choice between PyQt and Tkinter depends on your specific needs and preferences. Both PyQt and Tkinter are popular frameworks for creating graphical user interfaces (GUIs) in Python, but they have different characteristics. Tkinter is the standard GUI toolkit for Python and comes bundled with the Python standard library, which means

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Python Round() Function

In this tutorial, we will see the Round() function of Python and some of its use. What is Rounding in Mathematics? Rounding means making a number simpler and shorter but keeping its value close to what it was. Of course, the result is less accurate but easier to use. For example, you got 93.89% in exams, but

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ElementTree: Working with Namespaces and Qualified Names

The XML Namespace specification adds qualified names to XML. A qualified name is a tag or attribute name that is associated with a given namespace. A namespace usually represents some kind of application domain, such as hypertext, graphics, resource descriptions, or type information. The Namespace specification allows a single XML document to contain tags and attributes from

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Python Reverse List items

In Python, we have the reverse() method to reverse the sorting order of the elements in List, Tuple, or String in place. Python Reverse with List Here we have a list of integers. We need to reverse its items. Output: 2, 7, 3, 5, 1 Below we have a list with string values. We need

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Square Root in Python

Python is one of the easy-to-learn programming languages not just because of its simple English syntax but also due to the presence of lots of libraries for different tasks. These are the reasons for Python being so popular among newbies. Similarly, for doing mathematics tasks, Python has a built-in module called math that is used

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Power in Python | Python pow()

Python has various arithmetic operators that take numerical values as input and returns a single numerical value. The arithmetic operators used in Python or any programming language are: Operator Use for Example + Addition x+y – Subtraction x-y * Multiplication x*y / Division x/y % Modulus x%y ** Exponentiation x**y // Floor division x//y Power

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Python Requests Module

What is Python Request? Python Requests is a module that allows you to deal with HTTP requests using Python. It is actually a simple API for making HTTP calls for sending and receiving data from the provided URL using various request methods. There is already a built-in urllib library in Python that does the same job

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The cPickle module

(Optional). This module contains a faster reimplementation of the pickle module. Example: Using the cPickle module # File: cpickle-example-1.py try: import cPickle as pickle except ImportError: import pickle # fall back on Python version class Sample: def __init__(self, value): self.value = value sample = Sample(1) data = pickle.dumps(sample) print pickle print repr(data) <module ‘cPickle’ (built-in)> “(i__main__\012Sample\012p1\012(dp2\012S’value’\012p3\012I1\012sb.”

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The pickle module

This module is used to serialize data; that is, convert data to and from character strings, so that they can be stored on file or sent over a network. It’s a quite a bit slower than marshal, but it can handle class instances, shared elements, and recursive data structures, among other things. There’s also a faster

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The copy_reg module

This module provides a registry that you can use to register your own extension types. The pickle and copy modules use this registry to figure out how to process non-standard types. For example, the standard pickle implementation cannot deal with Python code objects, as shown by the following example: # File: copy-reg-example-1.py import pickle CODE = “”” print ‘good evening’ “””

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The bdb module

The “bdb” module provides the bdb.Bdb class, which you can subclass to create your own debugger. You can then override its methods to define custom behavior for breakpoints, tracing, and handling exceptions. Here’s a simple example of using the “bdb” module to create a basic debugger: pythonCopy codeimport bdb class MyDebugger(bdb.Bdb): def user_line(self, frame): self.set_trace(frame)

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The pdb module

This is the standard Python debugger. It is based on the bdb debugger framework. You can run the debugger from the command line. Type n (or next) to go to the next line, help to get a list of available commands. $ pdb.py hello.py > hello.py(0)?() (Pdb) n > hello.py() (Pdb) n hello again, and welcome to the show –Return– > hello.py(1)?()->None

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The xdrlib module

This module converts between Python data types and Sun’s external data representation (XDR). Example: Using the xdrlib module import xdrlib # # create a packer and add some data to it p = xdrlib.Packer() p.pack_uint(1) p.pack_string(“spam”) data = p.get_buffer() print “packed:”, repr(data) # # create an unpacker and use it to decode the data u

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The aggdraw Module

   We’re back after a server migration that caused codespit.com to fall over a bit harder than expected. Expect some glitches. The aggdraw Module An AGG-based drawing interface. The aggdraw module implements the basic WCK 2D Drawing Interface on top of the AGG library. This library supports anti-aliasing and alpha compositing, but is otherwise fully compatible with the WCK

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The operator module

This module provides a “functional” interface to the standard operators in Python. The functions in this module can be used instead of some lambda constructs, when processing data with functions like map and filter. They are also quite popular among people who like to write obscure code, for obvious reasons. Example: Using the operator module # File: operator-example-1.py import operator sequence =

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ElementTree Overview

   ElementTree Overview “But I have found that sitting under the ElementTree, one can feel the Zen of XML.”— Essien Ita Essien Update 2007-09-12: ElementTree 1.3 alpha 3 is now available. For more information, see Introducing ElementTree 1.3. Update 2007-08-27: ElementTree 1.2.7 preview is now available. This is 1.2.6 plus support for IronPython. The serializer is ~20% faster, and now

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