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 →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
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, …
How to Fill an Array in Python
The challenge
We want an array, but not just any old array, an array with contents!
Write a function that produces an array with the numbers `` to N-1 …
How to Fix the ‘Bad Interpreter’ Error from AWS and Python 3.7
This error often looks something like:
.zshrc: /usr/local/bin/aws: bad interpreter:
/usr/local/opt/python/bin/python3.6: no such file or directory …Retrieve records from MSSQLServer in Python
The below Python code will create a connection to a MSSQLServer instance, and retrieve data from it back into a variable called tblResults.
# use …How to Remove Trailing Zeroes in Python
The challenge
Numbers ending with zeros are boring.
They might be fun in your world, but not here.
Get rid of them. Only the ending ones.
1450 -> …