Answer / Sanjay Varshney

To select the nth child element using CSS Selector in Selenium, you can use the `:nth-child()` pseudo-class. Here's an example:

```python
from selenium import webdriver

# Assuming 'parent_element' is the parent element and 'n' is the nth child index
child_element = driver.find_element_by_css_selector(f"{parent_element} > div:nth-child({n})")
```

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