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10 Advanced Python Code Challenges


Nothing teaches you how to write better code than sitting down and actually writing code. After you’ve built up your knowledge of a programming language with online courses, books, traditional education, and videos, the next step is to put those skills to use. And, one of the quickest and easiest ways to do this is by solving code challenges.

Code challenges are mini problems you’ll solve by writing code, and since they’re small, they don’t take that long to finish. You’re not required to create a complete programming project either. They can  also be focused on the type of problems you’ll run into in your coding career, making them useful for practicing skills you’ll use on the job.

In this article, you’ll find 10 advanced Python code challenges, plus where to find more challenges. We also have a set of Python code challenges for beginners, if that’s a better fit for you.

10 Python code challenges for experienced coders

Every challenge in this list of challenges requires advanced knowledge of programming concepts and the Python programming language. So, brush up on your knowledge of Python data structures and algorithms before you get started. Or, if you need to refresh your knowledge of Python, check out our Learn Python course.

1. Create a Morse code translator

We no longer use Morse code to transfer information, but that doesn’t mean you can’t use it in a code challenge. Write a function in Python that takes in a string that can have alphanumeric characters in lower or upper case.

The string can also contain any special characters handled in Morse code, including commas, colons, apostrophes, periods, exclamation marks, and question marks. The function should return the Morse code equivalent for the string.

2. Write a Friday 13th detector

Create a function in Python that accepts two parameters. They’ll both be numbers. The first will be the month as a number, and the second will be the four-digit year. The function should parse the parameters and return True if the month contains a Friday the 13th and False if it doesn’t.

3. Find the domain name using an IP address

For this Python challenge, you’ll want to import the Python socket library. That’s the only hint. Write a function that accepts an IP address, makes a DNS request, and returns the domain name that maps to that IP address using PTR DNS records.

4. Parse an encoded string

In this Python challenge, you need to write a function that accepts an encoded string as a parameter. This string will contain a first name, last name, and an id.

Values in the string can be separated by any number of zeros. The id is a numeric value but will contain no zeros. The function should parse the string and return a Python dictionary that contains the first name, last name, and id values.

An example input would be “Robert000Smith000123”. The function should return the following using that input:

{ “first_name”: “Robert”, “last_name”: “Smith”, “id”: “123” }

5. Convert a decimal to a hex

For this challenge, you need to write a function in Python that accepts a string of ASCII characters. It should return each character’s value as a hexadecimal string. Separate each byte by a space, and return all alpha hexadecimal characters as lowercase.

6. Find the difference between the strings

Write a function in Python that accepts two string parameters. The first parameter will be a string of characters, and the second parameter will be the same string of characters, but they’ll be in a different order and have one extra character. The function should return that extra character.

For example, if the first parameter is “eueiieo” and the second is “iieoedue,” then the function should return “d.”

7. Shadow sentences

For the purpose of this challenge, shadow sentences are sentences where every word is the same length and order but without any of the same letters. Write a function that accepts two parameters that may or may not be shadows of each other. The function should return True if they are and False if they aren’t.

An example would be “they are round” and “fold two times,” which are shadow sentences, while “his friends” and “our company” are not because both contain an r.

8. Tic Tac Toe blocker

In this Python challenge, write a function that’ll accept two numbers. These numbers will represent a position on a tic-tac-toe board. They can be 0 through 8, where 0 is the top-left spot, and 8 is the bottom-right spot.

These parameters are two marks on the tic-tac-toe board. The function should return the number of the spot that can block these two spots from winning the game.

9. Rearrange the number

To complete this challenge, write a function that accepts a number as a parameter. The function should return a number that’s the difference between the largest and smallest numbers that the digits can form in the number.

For example, if the parameter is “213”, the function should return “198”, which is the result of 123 subtracted from 321.

10. Duplicate letter checker

Create a function in Python that accepts one parameter: a string that’s a sentence. This function should return True if any word in that sentence contains duplicate letters and False if not.

Build your Python skills

If you like testing your Python skills with these challenges and want to find more of them to take your Python skills further, then sign up here. Then, check out the details on our weekly and daily code challenges here. Or, you can find more advanced Python code challenges on our forums.

To build your Python knowledge to tackle these tough challenges, you can check out our extensive selection of Python coding courses. If you’re new to the Python programming language or your knowledge is a little rusty, then our Learn Python course could be the right option for you.If you already know the fundamentals of Python, our Learn Intermediate Python or Learn Data Structures and Algorithms in Python courses dive deeper into this powerful programming language.


Python Courses & Tutorials | Skillacademy

Python is a general-purpose, versatile, and powerful programming language. It’s a great first language because it’s concise and easy to read. Whatever you want to do, Python can do it. From web development to machine learning to data science, Python is the language for you.

October 7, 2021

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