reformt README 2

    - [Why are there different time values? 📈](#why-are-there-different-time-values-)

    - [Hardware facts 💻](#hardware-facts-)

    - [What does that mean for us and our knowledge about testing of machine learning algorithms?](#what-does-that-mean-for-us-and-our-knowledge-about-testing-of-machine-learning-algorithms)

  - [Data characteristics](#data-characteristics)

    - [The datasets 📊](#the-datasets-)

        - [Dataset A](#dataset-a)

        - [Dataset B](#dataset-b)

- **First lesson:** code takes a lot longer to run if you don't have the most modern hardware.

- **Second lesson:** the time a programm needs to be executed depends on a computers CPU.

### Data characteristics

![plots_datasets_and_classifiers](/uploads/ff3e95d62c2e070fce477456a940c709/plots_datasets_and_classifiers.png)

### The datasets 📊

##### Dataset A

Dataset A looks like two crescents interlocked with each other. 

##### Dataset B

Dataset B has the shape of an inner and an outer circle.

#### The datasets 📊

###### Dataset A

Dataset A looks like two crescents interlocked with each other. 🥐🌙

###### Dataset B

Dataset B has the shape of an inner and an outer circle. ⭕

##### Dataset C

In C, the data can be split in the left and the right side.

In C, the data can be split in the left and the right side. ⬅️➡️

### The classifiers 📶

- **Nearest Neighbors**: