Python - Hard Articles
Python | Parse a website with regex and urllib
Let’s discuss the concept of parsing using python. In python we have lot of modules but for parsing we only need urllib and re i.e… Read More
python-utility
Python
Web Technologies
Python | Linear search on list or tuples
Let us see a basic linear search operation on Python lists and tuples. A simple approach is to do a linear search, that is  Start… Read More
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Python
Python | Adding markers to volcano locations using folium package
Python is a multipurpose language and its utilities extend to more than just normal programming. It can be used to develop games, crawl the internet,… Read More
Python
Python Programs
Getting Unique values from a column in Pandas dataframe
Let’s see how can we retrieve the unique values from pandas dataframe. Let’s create a dataframe from CSV file. We are using the past data… Read More
pandas-dataframe-program
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Python pandas-dataFrame
Python-pandas
Python
Youtube Data API Playlist | Set-2
We already have discussed first two methods for a Playlist – to list all Playlist associated with a Channel Id, To retrieve my Playlist i.e.… Read More
Python
Technical Scripter
Add a key:value pair to dictionary in Python
Dictionary in Python is an unordered collection of data values, used to store data values like a map, which unlike other Data Types that hold… Read More
Python dictionary-programs
python-dict
Python
Python Programs
numpy.stack() in Python
NumPy is a famous Python library used for working with arrays. One of the important functions of this library is stack(). Important points: stack() is… Read More
Python numpy-arrayManipulation
Python-numpy
Python
Join two text columns into a single column in Pandas
Let’s see the different methods to join two text columns into a single column. Method #1: Using cat() function We can also use different separators… Read More
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Python
Python | Interleave multiple lists of same length
Given lists of the same length, write a Python program to store alternative elements of given lists in a new list. Let’s discuss certain ways… Read More
Python list-programs
python-list
Python
Python Programs
Apply function to every row in a Pandas DataFrame
Python is a great language for performing data analysis tasks. It provides a huge amount of Classes and functions which help in analyzing and manipulating… Read More
pandas-dataframe-program
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Python pandas-dataFrame
Python-pandas
Technical Scripter 2018
Python
Technical Scripter
Capitalize first letter of a column in Pandas dataframe
Analyzing real-world data is somewhat difficult because we need to take various things into consideration. Apart from getting the useful data from large datasets, keeping… Read More
pandas-dataframe-program
Python pandas-dataFrame
Python-pandas
Python
Python | Find depth of a dictionary
Prerequisite: Nested dictionary The task is to find the depth of given dictionary in Python. Let’s discuss all different methods to do this task. Examples:… Read More
Python dictionary-programs
python-dict
Python
numpy.percentile() in python
numpy.percentile() function used to compute the nth percentile of the given data (array elements) along the specified axis.  Python numpy.percentile() Syntax Function Syntax: numpy.percentile(arr, n,… Read More
Python numpy-Statistics Functions
Python-numpy
Python
Pandas DataFrame quantile() Method | Find Quantile Values
Python is a great language for data analysis, primarily because of the fantastic ecosystem of data-centric Python packages. Pandas is one of those packages, making… Read More
Python pandas-dataFrame
Python pandas-dataFrame-methods
Python-pandas
Python
Python | Pandas dataframe.isna()
Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages… Read More
Python pandas-dataFrame
Python pandas-dataFrame-methods
Python-pandas
Python
Magical Pattern
Given an integer N as input, the task is to print the Magical Pattern as given below: N . . 3 2 1 2 3… Read More
C Language
C++
Java
Python
Python | OpenCV BGR color palette with trackbars
OpenCV is a library of programming functions mainly aimed at real-time computer vision. In this article, Let’s create a window which will contain RGB color… Read More
Image-Processing
OpenCV
Python-OpenCV
Python
Saving Operated Video from a webcam using OpenCV
OpenCV is a vast library that helps in providing various functions for image and video operations. With OpenCV, we can perform operations on the input… Read More
Image-Processing
OpenCV
Python-OpenCV
Technical Scripter 2018
Python
Python String lower() Method
Python string lower() method converts all letters of a string to lowercase. If no uppercase characters exist, it returns the original string. Example: Python3 string… Read More
python-string
Python-string-functions
Python
Python program to sort a list of tuples by second Item
Given a list of tuples, write a Python program to sort the tuples by the second item of each tuple. Examples: Input : [('for', 24),… Read More
Python list-programs
Python tuple-programs
python-list
python-tuple
DSA
Python
Python Programs
School Programming
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