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Python Articles
Page 837 of 854
Absolute and Relative Imports in Python
Many times when we create python code we find that we need to access code from another python file or package. This is when you need to import that other python file or package into your current code. So the straight forward way to achieve this is just written the below statement at the top of your current python program.import package_name or module_name or from pacakge_name import module_name/object_nameWhen the above statement is parsed the interpreter does the following.The interpreter will look for names in the cache of all modules that have already been imported previously. The name of this cache ...
Read MoreReadability Index in Python(NLP)?
Natural language processing is the study of automated generation and understanding of natural human languages. This is becoming more and more interesting tasks to solve, as computer technology is integrated into almost every industry nowadays. We are going to study one specific field within natural language processing; readability. This involves the topic of determining the readability of a text. This indicates how difficult it is to read or understand a text.A readability index is a numeric value that indicates how difficult (or easy) it is to read and understand a text. There are several different tests for determining readability, and ...
Read MoreJunk File Organizer in Python?
This might seem very useful for a lazy python programmer who keeps most of the files and folders at one location and sometimes at confused what all files are there and surely he is too lazy to do it manually. So below is a python program to organize or simplify everything in appropriate folder in the single go and remove empty directories.So we have a directory path where lots of files of different types are present (like below) and our program we segregate each file type into their respective folders (like below).Input folder structureDesired OutputFirst create different folders based on ...
Read MoreIdentifying handwritten digits using Logistic Regression in PyTorch?
In this we are going to use PyTorch to train a CNN to recognize handwritten digit classifier using the MNIST dataset.MNIST is a widely used dataset for hand-written classification task covering more than 70k labeled 28*28 pixel grayscale images of handwritten digits. The dataset contains almost 60k training images and 10k test images. Our job is to train a model using 60k training images and subsequently test its classification accuracy on 10k test images.InstallationFirst we need the MXNet latest version, for that just run the following on your terminal:$pip install mxnetAnd you will something like, Collecting mxnet Downloading https://files.pythonhosted.org/packages/60/6f/071f9ef51467f9f6cd35d1ad87156a29314033bbf78ad862a338b9eaf2e6/mxnet-1.2.0-py2.py3-none-win32.whl (12.8MB) ...
Read MoreGenerate and parse Mac OS X .plist files using Python (plistlib)
Files with '.plist' the extension is used by Mac OS X applications to store application properties. The plislib module provides an interface to read/write operations of these property list files.The plist file format serializes basic object types, like dictionaries, lists, numbers, and strings. Usually, the top level object is a dictionary. To write out and to parse a plist file, use the dump() and load() functions. Serialized byte strings are handled by use dumps() and loads() functions. Values can be strings, integers, floats, booleans, tuples, lists, dictionaries (but only with string keys).This module defines the following functions −load()Read a plist ...
Read MoreEncode and decode binhex4 files using Python (binhex)
The binhex module encodes and decodes files in binhex4 format. This format is used in the representation of Macintosh files in ASCII. Only the data fork is handled.The binhex module defines the following functions −binhex.binhex(input, output): Convert a binary file with filename input to binhex file output. The output parameter can either be a filename or a file-like object (any object supporting a write() and close() method).binhex.hexbin(input, output): Decode a binhex file input. input may be a filename or a file-like object supporting read() and close() methods. The resulting file is written to a file named output unless the argument is None ...
Read MoreConvolutions using Python?
Image recognition used to be done using much simpler methods such as linear regression and comparison of similarities. The results were obviously not very good, even the simple task of recognizing hand-written alphabets proved difficult. Convolution neural networks (CNNs) are supposed to be a step up from what we traditionally do by offering a computationally cheap method of loosely simulating the neural activities of a human brain when it perceives images.Convolutional neural network overviewVery similar to how we recognise different objects, computer algorithms need to go through millions of images before it is able to generalize the input and make ...
Read MoreReading images using Python?
Image Processing Using OpenCVOpenCV(Open source computer vision) is an open source programming library basically developed for machine learning and computer vision. It provides common infrastructure to work on computer vision applications and to fasten the use of machine learning in commercial products.With more than 2.5 thousand optimized algorithms for both computer vision and machine learning are both classic and state-of-the-art algorithms. With so many algorithms, makes it to use the library for multiple purposes including face detection & recognization, identify objects, classify human actions in videos, track camera movements, join images together to produce a high resolution image of an ...
Read MorePython script to open a Google Map location on clipboard?
We generally open the browser to search for a specific site/place on google maps. And if you need to do this task multiple times a day, it becomes very boring. Now you can automate this task where your browser will open automatically and the webpage will show you the google maps of your desired location.InstallationFor this purpose, I’m going to use the paperclip package. As this is not the standard package, we need to install it using pip.>pip install pyperclip Collecting pyperclip Downloading https://files.pythonhosted.org/packages/2d/0f/4eda562dffd085945d57c2d9a5da745cfb5228c02bc90f2c74bbac746243/pyperclip-1.7.0.tar.gz Building wheels for collected packages: pyperclip Building wheel for pyperclip (setup.py) ... done Stored in directory: ...
Read MoreCalculate distance and duration between two places using google distance matrix API in Python?
We almost all use google maps to check distance between source and destination and check the travel time. For developers and enthusiasts, google provide ‘google distance matrix API’ to calculate the distance and duration between two places.To use google distance matrix api, we need google maps API keys, which you can get from below link:https://developers.google.com/maps/documentation/distance-matrix/get-api-keyRequired librariesWe can accomplish this by using different python library, like:PandasgooglemapsRequestsJsonI am using very basic requests and json library. Using pandas you can fill multiple source and destination places at a time and get the result in csv file.Below is the program to implement the same:# ...
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