main.py

from bs4 import BeautifulSoup
import requests
import re
import pandas as pd

def main():
    res = requests.get('https://www.nasdaq.com/earnings/earnings-calendar.aspx?date=2018-Sep-04')
    soup = BeautifulSoup(res.content, features='lxml')

    df = pd.read_html(str(soup.select('table#ECCompaniesTable').pop()))[0]
    df = df.iloc[1:]
    symbols = []
    for row in df.iterrows():
        m = re.search(r'\(([A-Z\.]+)\)', row[1][1])
        symbols.append(m.group(1))

    df['symbol'] = symbols

    from IPython import embed

    embed()


if __name__ == '__main__':
    main()

Pipfile

[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"

[packages]
requests = "*"
BeautifulSoup4 = "*"
IPython = "*"
pandas = "*"

[dev-packages]

[requires]
python_version = "3.6"