remove the lines

Question

I have a txt file in which I want remove all new lines
eg
ab
cd
ef
I want it : abcdef
using python

Answer 1

thanks alot

Answer 2

if you read from a file, you can do (assuming f is the name of the file):
''.join(f.readlines())
''.join() will concatenate what is inside the parentheses, putting the string in front in-between
and f.readlines() will return a list of all the lines in the file f