Untitled

from bs4 import BeautifulSoup

html_str = """
<html>
  <head>
    <title>The Avengers</title>
  </head>
  <body>
    <h1>Movies</h1>
    <p>The Avengers (2012)</p>
    <p>Avengers: Age of Ultron (2015)</p>
    <p>Avengers: Infinity War (2018)</p>
    <p>Avengers: Endgame (2019)</p>
  </body>
</html>
"""

soup = BeautifulSoup(html_str)
print(soup.select('html > body > p:nth-of-type(4)')[0].text)
print(soup.select('p:nth-of-type(4)')[0].text)