# `035` Square odd numbers

## 📝 Instructions:

1. Write a function named `square_odd_numbers()` that accepts a string of comma-separated numbers as input, squares only the odd numbers, and returns the results as a list.

## 📎 Example input:

```py
square_odd_numbers("1,2,3,4,5,6,7,8,9")
```

## 📎 Example output:

```py
[1, 9, 25, 49, 81]
```
