/usr/lib/python2.7/test/test_doctest.txt is in libpython2.7-testsuite 2.7.15~rc1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | This is a sample doctest in a text file.
In this example, we'll rely on a global variable being set for us
already:
>>> favorite_color
'blue'
We can make this fail by disabling the blank-line feature.
>>> if 1:
... print 'a'
... print
... print 'b'
a
<BLANKLINE>
b
|