Adding text to p tag in Beautiful Soup

I was wondering if anyone knew how to add text to a tag (p, b -- any开发者_如何学JAVA tag where you might want to include character data). The documentation mentions no where how you might do this.

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I'm not sure exactly if this is what you want, but maybe it's a start...

from BeautifulSoup import BeautifulSoup, NavigableString

html = "<p></p>"
soup = BeautifulSoup(html)
ptag = soup.find('p')
ptag.insert(0, NavigableString("new"))
print ptag

Outputs

<p>new</p>

The documentations shows a few more similar examples: http://www.crummy.com/software/BeautifulSoup/documentation.html#Modifying%20the%20Parse%20Tree

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>>> import BeautifulSoup
>>> b=BeautifulSoup.BeautifulSoup("<p></p><p></p>")
>>> for t,s in zip(b,[u'hello',u'world']):
...     t.contents.append(BeautifulSoup.NavigableString(s))
... 
>>> b
<p>hello</p><p>world</p>