Hello, Name or World in Python
The challenge
Define a method hello that returns “Hello, Name!” to a given name, or says Hello, World! if name is not given (or passed as …
Technical Articles
In-depth guides, insights, and best practices for modern software engineering
Add Length to Strings in Python
The challenge
What if we need the length of the words separated by a space to be added at the end of that same word and have it returned as an array? …
Read Article →How to Reversing Words in a String in Python
The challenge
Write a function that reverses the words in a given string. A word can also fit an empty string. If this is not clear enough, here are …
Read Article →How to Remove Duplicates from List in Python
The challenge
Define a function that removes duplicates from an array of numbers and returns it as a result.
The order of the sequence has to stay the …
Read Article →How to Format Dollars and Cents in Python
The challenge
The company you work for has just been awarded a contract to build a payment gateway. In order to help move things along, you have …
Read Article →Return `5` without any numbers in Python
The challenge
Write a function that always returns 5
Sounds easy right? Just bear in mind that you can’t use any of the following characters: …
Read Article →How to Generate Range of Integers in Python
The challenge
Implement a function named generateRange(min, max, step), which takes three arguments and generates a range of integers from min to max, …
Read Article →Blue/Green Deployment Techniques in AWS
What are Blue/Green Deployments?
“Blue/Green Deployments” is a software deployment methodology. A terminology to suggest two mostly equal …
Read Article →How to Calculate Powers of 2 in Python
The challenge
Complete the function that takes a non-negative integer n as input, and returns a list of all the powers of 2 with the exponent ranging …
How to Get Planet Name By ID in Python
The challenge
Create a function that takes in an id and returns the planet name.
The solution in Python code
Option 1:
def get_planet_name(id): …How to Make a Directory if Not Exists in Python
If you want to create a directory in Python, but only if it doesn’t exist, you have the following option.
Using Python 3.5 or newer?
from …Square(n) Sum in Python
The challenge
Complete the square sum function so that it squares each number passed into it and then sums the results together.
For example, for [1, …