Add string-to-int list conversion one-liner

@@ -264,3 +264,9 @@ rotated = items[n:] + items[:n]

import requests; open('file.ext', 'wb').write(requests.get(url).content)

```

**Example:** `requests.get('https://example.com/logo.png')` → saves as `file.ext`

## Convert a list of strings to integers

```python

ints = [int(x) for x in strings if x.isdigit()]

```

**Example:** `["1", "2", "a", "3"] → [1, 2, 3]`