# [Python] Checkio Solution 解答 – Number Base

You are given a positive number as a string along with the radix for it. Your function should convert it into decimal form. The radix is less than 37 and greater than 1. The task uses digits and the letters A-Z for the strings.

# [Python] Checkio Solution 解答 – The Most Numbers

You are given an array of numbers (floats). You should find the difference between the maximum and minimum element. Your function should be able to handle an undefined amount of arguments. For an empty argument list, the function should return 0.

# [Python] Checkio Solution 解答 – Right to Left

One of the robots is charged with a simple task: to join a sequence of strings into one sentence to produce instructions on how to get around the ship. But this robot is left-handed and has a tendency to joke around and confuse its right-handed friends.

# [Python] Checkio Solution 解答 – Digits Multiplication

You are given a positive integer. Your function should calculate the product of the digits excluding any zeroes.

# [Python] Checkio Solution 解答 – Absolute Sorting

Let's try some sorting. Here is an array with the specific rules.

# [Python] Checkio Solution 解答 – Xs and Os Referee

Tic-Tac-Toe, sometimes also known as Xs and Os, is a game for two players (X and O) who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three respective marks in a horizontal, vertical, or diagonal rows (NW-SE and NE-SW) wins the game.

# [Python] Checkio Solution 解答 – Even the Last

You are given an array of integers. You should find the sum of the elements with even indexes (0th, 2nd, 4th...) then multiply this summed number and the final element of the array together. Don't forget that the first element has an index of 0.