The challenge Remove all duplicate words from a string, leaving only single (first) words entries. Example: Input: ‘alpha beta beta gamma gamma gamma delta alpha… Read More »How to Remove Duplicate Words from a String in Python
The challenge ATM machines allow 4 or 6 digit PIN codes and PIN codes cannot contain anything but exactly 4 digits or exactly 6 digits. If the… Read More »How to Validate a Regex PIN Code in Python
The challenge Take 2 strings s1 and s2 including only letters from ato z. Return a new sorted string, the longest possible, containing distinct letters – each taken only once – coming from… Read More »Combine strings and remove duplicates in Python
The challenge Create a function that repeats each character by the amount of it’s index value of the original string. Examples: The parameter of accum… Read More »How to Repeat by String Index in Golang
The challenge Given two numbers and an arithmetic operator (the name of it, as a string), return the result of the two numbers having that… Read More »How to make an arithmetic function in Java
The challenge You are given two interior angles (in degrees) of a triangle. Write a function to return the 3rd. Note: only positive integers will… Read More »Calculate the Third Angle of a Triangle in Go
The challenge Given 2 strings, a and b, return a string of the form short+long+short, with the shorter string on the outside and the longer string on the… Read More »Return Short Long Short 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 an empty String). Assuming… Read More »Hello, Name or World 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… Read More »Add Length to Strings 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… Read More »How to Reversing Words in a String 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… Read More »How to Remove Duplicates from List 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,… Read More »How to Format Dollars and Cents 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: 0123456789*+-/ The… Read More »Return `5` without any numbers 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, with the… Read More »How to Generate Range of Integers in Python
What are Blue/Green Deployments? “Blue/Green Deployments” is a software deployment methodology. A terminology to suggest two mostly equal states of potential different deployable artefacts. Within… Read More »Blue/Green Deployment Techniques in AWS
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… Read More »How to Calculate Powers of 2 in Python
The challenge Create a function that takes in an id and returns the planet name. The solution in Python code Option 1: Option 2: Option… Read More »How to Get Planet Name By ID 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?… Read More »How to Make a Directory if Not Exists 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,… Read More »Square(n) Sum 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… Read More »How to Fill an Array in Python
This error often looks something like: Reinstall AWSCLI If you have started getting the Bad Interpreter error when you call awscli, then you can easily… Read More »How to Fix the ‘Bad Interpreter’ Error from AWS and Python 3.7
The below Python code will create a connection to a MSSQLServer instance, and retrieve data from it back into a variable called tblResults.
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… Read More »How to Remove Trailing Zeroes in Python
When you have performance problems in your Python application, you can use a Profiler to help you. Step 1: Using cProfile Your first option is… Read More »How to use Profilers in Python
The challenge Given a non-negative integer, 3 for example, return a string with a murmur: “1 sheep…2 sheep…3 sheep…”. Input will always be valid, i.e. no negative integers.… Read More »If you can’t Sleep, just count Sheep in Python