# `014` digit after decimal point

## 📝 Instructions:

1. Complete the `first_digit()` function. Given a positive real number, `first_digit()` returns its first digit (to the right of the decimal point).

## 📎 Example input:

```py
first_digit(1.79)
```

## 📎 Example output:

```py
7
```

## 💡 Hints:

+ If you don't know how to start solving this assignment, please review the theory for this lesson: https://snakify.org/lessons/integer_float_numbers/

+ You may also try step-by-step theory chunks: https://snakify.org/lessons/integer_float_numbers/steps/1/
