How to Sort a List of Numbers in Python
The challenge
Finish the solution so that it sorts the passed-in array/list of numbers. If the function passes in an empty array/list or null/None …
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323 articles about python development, tools, and best practices
Ordered Count of Characters in Python
The challenge
Count the number of occurrences of each character and return it as a list of tuples in order of appearance. For empty output return an …
Read Article →Largest Pair Sum in Array in Python
The challenge
Given a sequence of numbers, find the largest pair sum in the sequence.
For example
[10, 14, 2, 23, 19] --> 42 (= 23 + 19)
[99, 2, …Alphabet Symmetry in Python
The challenge
Consider the word "abode". We can see that the letter a is in position 1 and b is in position 2. In the alphabet, a and b are …
Sum of Odd Cubed Numbers in Python
The challenge
Find the sum of the odd numbers within an array, after cubing the initial integers. The function should return None if any of the values …
Halving Sum in Python
The challenge
Given a positive integer n, calculate the following sum:
n + n/2 + n/4 + n/8 + ...
All elements of the sum are the results of integer …
Read Article →Convert a LinkedList to a String in Python
The challenge
Preloaded for you is a class, struct, or derived data type Node (depending on the language) used to construct linked lists in this …
Most Digits from List in Python
The challenge
Find the number with the most digits.
If two numbers in the argument array have the same number of digits, return the first one in the …
Read Article →Check if all Values in Array are Smaller in Python
The challenge
You will be given an array and a limit value. You must check that all values in the array are below or equal to the limit value. If they …
Maximum Product from List of Integers in Python
The challenge
Given an array of integers, Find the maximum product obtained from multiplying 2 adjacent numbers in the array.
Notes
- Array/list size …
Sum of Array Singles in Python
The challenge
You are given an array of numbers in which two numbers occur once and the rest occur only twice. Your task is to return the sum of the …
Read Article →Flatten and Sort an Array in Python
The challenge
Given a two-dimensional array of integers, return the flattened version of the array with all the integers in the sorted (ascending) …
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