Nick Coghlan added the comment:
Confirmed - it's actually pressing "Ctrl-D" after entering text on the
line that seems to cause strange behaviour. For example, in the
following, the only letters I typed were "test" and then I just pressed
"Ctrl-D" 4 times and got the output seen below:
$ ./pyth
New submission from Lucas Prado Melo :
--
$ cat raw_input_test.py
s = ''
try:
while True:
c = raw_input()
print c
s += c
except EOFError:
pass
$ python raw_input_test.py
test^D^Dtes
^D
$ python --version
Python 2.7a0
$ bash --version
