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This is $$ LaTeX$$ in-line.

This is a LaTeX block:

$$ P_1 + \frac{1}{2}mv_1^2 + pgh_1 = P_2 + \frac{1}{2}mv_2^2 + pgh_2$$

This is right here `def lotto_followers(num1):` a code snippet.

This is a code block:
```python
def lotto_followers(num1):
  if num1 >= 10000:
    return: "You have a lotto followers!"
```

This is an image:
![640px-Salma_Hayek_by_Gage_Skidmore_2.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Salma_Hayek_by_Gage_Skidmore_2.jpg/640px-Salma_Hayek_by_Gage_Skidmore_2.jpg)

This is another image:
![bernoul.gif](http://hyperphysics.phy-astr.gsu.edu/hbase/imgmec/bernoul.gif)

This is a file [Airtable-1.3.2.dmg](https://campuspro-uploads.s3.us-west-2.amazonaws.com/8e5a0b26-10f9-401a-b1f9-1c13c2216099/8b497758-26de-414f-8668-e7b884a06203/Airtable-1.3.2.dmg)