Unique In Order in Python
The challenge
Implement the function unique_in_order which takes as argument a sequence and returns a list of items without any elements with the same …
Python
403 articles about python development, tools, and best practices
How to Replace Characters with Alphabet Positions in Python
The challenge
Given a string, replace every letter with its position in the alphabet.
If anything in the text isn’t a letter, ignore it and …
Read Article →Returning Highest and Lowest in Python
The challenge
You are given a string of space-separated numbers and have to return the highest and lowest number.
Example:
high_and_low("1 2 3 4 …How to Subtract Arrays in Python
The challenge
Implement a difference function, which subtracts one list from another and returns the result.
It should remove all values from list a, …
How to Solve Pascal’s Triangle in Python
The challenge
Given an integer numRows, return the first numRows of Pascal’s triangle.
In Pascal’s triangle, each number is the sum of the …
Read Article →How to Sum The Strings in Python
The challenge
Create a function that takes 2 nonnegative integers in form of a string as an input, and outputs the sum (also as a string):
Example: ( …
Read Article →Playing with passphrases in Python
The challenge
Everyone knows passphrases. One can choose passphrases from poems, songs, movies names and so on but frequently they can be guessed due …
Read Article →Find the Max Area of an Island in Python
The challenge
You are given an m x n binary matrix grid. An island is a group of 1‘s (representing land) connected 4-directionally (horizontal or …
A Simplistic TCP Finite State Machine (FSM) in Python
The challenge
Automatons, or Finite State Machines (FSM), are extremely useful to programmers when it comes to software design. You will be given a …
Read Article →How to Build a Square in Python
The challenge
I will give you an integer. Give me back a shape that is as long and wide as the integer. The integer will be a whole number between 1 …
Read Article →Check if String EndsWith in Python
The challenge
Complete the solution so that it returns true if the first argument(string) passed in ends with the 2nd argument (also a string). …
Read Article →How to LowerCase a String in Python
Python comes with a built-in method on all String types, by calling lower() on a String, you can immediately lower the case of that String.