Count minimal number of jumps from position X to Y
Interviewers often ask such questions for beginners level positions. This is a simple concept using while or for loop. Let say the frog is at …
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Rotate an array to the right by a given number of steps
One of our active user of skilllx.com, send me this question (rotate an array), to solve efficiently in easy steps. The question is about array …
Find longest sequence of zeros in binary of an integer
One of my student asked me, following question about longest sequence of zeros in binary representation of an integer. You all knows the binary representation …
How to Sort Nested List in Python?
To store multi-dimensional data, we use nested list (may be set, tuple or dictionary) and we need to sort that nested list. To sort nested …
Function that returns Maximum Possible Value, Given an integer N
Question: Write a function solution that, given an integer N, returns the maximum possible value obtainable by deleting one ‘5’ digit from the decimal representation …
Python Named Tuple; a Lightweight Object
Python Named Tuple is a type of container like Python dictionary. Named Tuple is available in module, “collections“. It contain keys which are hashed to …
Counter in Python | Python Collection for Counting Elements
Counter in Python is one of the most widely used collection in tasks especially data analysis. It keeps the count of the elements. Simply speaking, …
Python Ordereddict – Working with Sorted Dictionary
We like python dictionary due to easy access of elements, easy deletion and updation, but we dislike dict because it cannot save order. Today, we …
Get System Information using Platform Python library
Sometimes it is very important to get system information on runtime in Python Code. For that we can use Platform library of Python. Platform library …
What’s New in Python 3.9 | Python Release 3.9
As a Python programmer, you must know what’s new in Python 3.9? Thera are many features which makes programmer’s life easy. Some of the features …