Markdown 101.

Headers.

To add two first headers are two syntax ways for display:

• First syntax form.

  First level header
  ==================
  
  Second level header
  ------------------

• Second syntax form.

  # First level header
  
  ## Second level header

and both showing same output:

First level header

Second level header

To add more header levels its only necessary add # as shown:

### Third level header
#### Fourth level header

output:

Third level header

Fourth level header

Emphasis.

This table is taken from the Markdown guide on Google Colab.

Markdown	Preview
**bold text**	bold text
*italicized text* or _italicized text_	italicized text
`Monospace`	Monospace
~~strikethrough~~	strikethrough

Lists

Enumerated list.

1. Computer
2. Keyboard
3. Mouse

output:

1. Computer
2. Keyboard
3. Mouse

Bullet list.

- Computer
- Keyboard
- Mouse

output:

• Computer
• Keyboard
• Mouse

Links

Link without title.

To go the Github page click [here](https://github.com/)

output:

To go the Github page click here

Link with title.

To go the Github page click [here](https://github.com/ "Github Home")

output:

To go the Github page click here

File in repository.

To see the code file click [here](../master/path/to/file)

Images

Inline image without title.

![Github logo](https://github.githubassets.com/images/modules/logos_page/GitHub-Logo.png)

output:

Inline image with title.

![Github logo](https://github.githubassets.com/images/modules/logos_page/GitHub-Logo.png "Github Logo")

output:

Inline image file in repository.

![txt](../master/path/to/img)

Code

To showing a code block use this syntax

```python
  def sum(a, b):
      return a + b
```

```cpp
  void sum(int a, int b) {
      return (a + b)
  }
```

output:

  def sum(a, b):
      return a + b

  void sum(int a, int b) {
      return (a + b);
  }

References

• Markdown Basic Syntax