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In this code challenge, the provided function works but is very slow on larger inputs. Can you make it faster?

A graph is an important data structure used in various technologies such as navigation systems, databases, etc. For this code challenge, a path search is attempted using a graph algorithm. However, the algorithm seems to be incorrect. Can you fix it?

In this code challenge, the rotation function doesn’t work as expected. Test your Python knowledge by fixing the function to pass the tests in this tiny interview.

SQL is the primary language for interacting with relational databases. In this code challenge, your SQL knowledge is put to a test.

Optimization is a key component when. building applications. For this code challenge, you are tasked with optimizing a Python nested loop.

Anagrams are words created from the rearrangement of another word. For this code challenge, you are to implement a function which takes a list of words as an argument and finds all anagrams within the list.

We found this mysterious Java code in this code challenge sandbox. Can you figure out what it does?

Generating a random list can take a lot of time depending on the range of values. Can you improve the function in this code challenge to generate random lists faster? Attempt the solution in this blog post sandbox.

The most challenging part of fixing a problem is identifying it. Unfortunately, this statement is exceptionally true when it comes to debugging. Learn how to use the power of logging into your Django applications to improve your debug process in this article.

A REST API is an interface that accepts connections via the internet, executes some business logic, and then returns a result. Test your knowledge of the REST API by improving the application in this code challenge.