Data scraping sovereign states

from bs4 import BeautifulSoup
import requests
import pandas as pd

URL = requests.get('https://en.wikipedia.org/wiki/List_of_sovereign_states')

soup = BeautifulSoup(URL.content, "html.parser")

tables = soup.find_all("table", {"class":"wikitable"})

state_arr = []
for table in tables:
    states = table.find_all("tr")[1:]

    for state in states:
        row_info = state.find_all("td")
        name = row_info[0].getText(strip=True)
        membership = row_info[1].get_text()[2:-1]
        state_arr.append([name, membership])

df = pd.DataFrame(state_arr, columns=["Name","Membership"])
df.to_csv("sovereign_states.csv", index=False)