The list() function will change over a string into a list of single-character strings.
['h', 'e', 'l', 'l', 'o']
Indeed, even without changing them over to lists, strings as of now act like lists severally. For instance, you can get to individual characters (as single-character strings) utilizing brackets:
>>> s = "hello"
You can likewise loop over the characters in the string so that you can loop over the components of a list:
>>> for c in 'hello':
... print c + c,
hh ee ll ll oo
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