BS4 - text and string

#!/usr/bin/env python3

data = '''<p class="address">
<span>19649 Airway Blvd, </span>
<span>California City, </span>
<span>CA </span>
<span>93505</span>
</p>'''

from bs4 import BeautifulSoup

soup = BeautifulSoup(data, 'html.parser')

for p in soup.find_all('p', class_='address'):
    print("p string:", p.string)
    print("p text  :", p.text)
    for s in p.find_all('span'):
        print('span string:', s.string)
        print('span text  :', s.text)

'''
p string: None
p text:
19649 Airway Blvd,
California City,
CA
93505

span string: 19649 Airway Blvd,
span text  : 19649 Airway Blvd,
span string: California City,
span text  : California City,
span string: CA
span text  : CA
span string: 93505
span text  : 93505
'''