How to extract contents of inner text of html tag?

[Golam Md. Shibly]

Hi,

###in.txt
<kbd class="command">
    cp -v --remove-destination /usr/share/zoneinfo/
    <em class="replaceable"><code><xxx></code></em>
       \
    /etc/localtime
</kbd>

import sys
import unicodedata
from bs4 import BeautifulSoup

file_name="in.txt"
html_doc=open(file_name,'r')
soup=BeautifulSoup(html_doc)
#print soup.prettify().encode('utf-8')
#file_to_write.writelines( soup.prettify().encode() )

all_kbd=soup.find_all('kbd')

for line in all_kbd:
	if line.string == None:		
		extract_code=line.code.extract().string
		#store_code=line.code.decompose()
		for inside_line in line:
			if "<<" not in inside_line and "EOF" not in inside_line:
				if len(inside_line)>0: 
					print inside_line
					print extract_code

expected output:
    cp -v --remove-destination /usr/share/zoneinfo/<xxx>\      
    /etc/localtime


Got output:
    cp -v --remove-destination /usr/share/zoneinfo/
    
None

       \
    /etc/localtime

None 

shibly
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