Add underscore between each character of a string

Question

I am currently looking for a way in which I can add a underscore in a string generated as such:

>>> bin(1)[2:].zfill(8) '00000001'

I want the string to be '0_0_0_0_0_0_0_1'

How do i add the underscore between each character?

What about '_'.join(txt)?

Serge Ballesta
– Serge Ballesta

2017-07-13 07:43:29 +00:00
Commented Jul 13, 2017 at 7:43 — Serge Ballesta
– Serge Ballesta, Commented Jul 13, 2017 at 7:43

Jonas Elfström · Accepted Answer · 2017-07-13 07:42:54Z

This can be achieved in multiple ways and has already been answered a lot of times here. Usually people seem to do to some kind of replace operation but there are other ways. Here's how to use the String join() method.

s = "00000001" "_".join(s)

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