Discover challenging Python brain teasers that test your skills and stretch your thinking. Gain insights into advanced concepts and enhance your understanding of this versatile language.

Forget Scrabble, Boggle, or Wordle. Tease your mind and test your skills with these fun brain teasers designed to stretch your thinking and expand your understanding of one of the most widely used languages out there. 

Python is simple. These puzzles are not. Good luck!

Python Brain Teasers

## Try it yourself

Try executing the code below to verify the result:

for n in range(5):
    print(n, end=' ')
    n = 5
print()


## Explanation

Python’s `for` loop defaults to a “for each” type of loop. Iteration in Python involves two of the types listed below:
- The **iterable** is the object we’re iterating over (like `str`, `list`, `dict` or ` …`).

- The **iterator** is responsible for the actual iteration. It can only fetch the next item and raise a `StopIteration` signal once it’s done or exhausted.

Find out the inner workings of the `for` loop by examining the code below:


# Try it yourself

Try executing the code below to verify the result:

# Explanation

Python’s `for` loop defaults to a “for each” type of loop. Iteration in Python involves two of the types listed below:
- The **iterable** is the object we’re iterating over (like `str`, `list`, `dict` or ` …`).

- The **iterator** is responsible for the actual iteration. It can only fetch the next item and raise a `StopIteration` signal once it’s done or exhausted.

Find out the inner workings of the `for` loop by examining the code below:


Let’s find out how iterators work in Python.

Before We Begin

Python Puzzles

Wrapping Up

Puzzle 22: Explanation

Try it yourself

Explanation