>>> stroka = """<td class="text" align="center" style="font-family: Arial, sans-serif; color:#646464; font-size: 13px; line-height: 15px; text-decoration: line-through;">
... <span style="font-family: Arial, sans-serif; color:#646464; font-size: 13px; line-height: 15px; text-decoration: line-through;">
... 53.63 Р<!-- <span class="oldprice4">53,63</span> -->
... </span>
... </td>"""
>>> from lxml import etree
>>> from io import StringIO
>>> parser = etree.HTMLParser()
>>> tree = etree.parse(StringIO(stroka), parser)
>>> tree.xpath('.//td/span')[0].text
'\n 53.63 Р'
>>> tree.xpath('.//td/span')[0].text.replace('\n','').strip()
'53.63 Р'
$ cat to_screen.sh
#!/bin/bash
cat $1
kvn@kvnnote ~
$ cat file.txt
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad
minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in
reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
culpa qui officia deserunt mollit anim id est laborum.
kvn@kvnnote ~
$ ./to_screen.sh file.txt
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad
minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in
reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
culpa qui officia deserunt mollit anim id est laborum.
Python 2.7.12 (default, Dec 19 2016, 15:11:02) [MSC v.1500 32 bit (Intel)]
Type "copyright", "credits" or "license" for more information.
IPython 5.7.0 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object', use 'object??' for extra details.
In [1]: 1+1
Out[1]: 2
In [2]: