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In this post we will investigate the different components needed to set up a network. We will investigate specific customer requirements to create suitable network designs. You will use our online network design tool to create these designs using the…
For this challenge we will investigate a range of algorithms used to apply some of the most common divisibility rules. We will first focus on the divisibility rule of 3 to introduce the concept of recursion. A divisibility rule is…
Did you know that 2520 is the smallest number exactly divisible by all integers from 1 to 10. The aim of this challenge is to write a python script to work out this number from its definition. Note that a…
The Vatsyayana cipher is a simple substitution cipher where the 26 letters of the alphabet are organised into 13 pairs of characters. These pairs are then used to encrypt the text by direct substitution of the letters in the pairs.…
A Caesar Shift cipher is a type of mono-alphabetic substitution cipher where each letter of the plain text is shifted a fixed number of places down the alphabet. For example, with a shift of 1, letter A would be replaced…
In cryptography, frequency analysis is the study of the frequency of letters or groups of letters in a ciphertext. The method is used as an aid to breaking substitution ciphers (e.g. mono-alphabetic substitution cipher, Caesar shift cipher, Vatsyayana cipher). Frequency…
A mono-alphabetic cipher (aka simple substitution cipher) is a substitution cipher where each letter of the plain text is replaced with another letter of the alphabet. It uses a fixed key which consist of the 26 letters of a “shuffled…
For this challenge we will investigate how to create a 2D array to store the value from 1 to 100 in a 10×10 array. We will then write an algorithm to shuffle the content of this array. See the code…
Our aim is to implement a shuffling algorithm to shuffle a deck of playing cards. To do so, we will use a list called deck to store the 52 cards of the deck as follows: deck = ["Ace of hearts","2…
Boggle is a word game based on a 4×4 grid of 16 letters. Each time the game is played a new grid is generated. In the real game this is done by shaking a cube that contains 16 letter dice.…
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