how to put chracters of word in list code example

Example 1: splitting a string and appending each character to a list python

def split(string_with_spaces):
    string_list = string_list.split()
    list_split_string = []
    for i in string_list:
        list_split_string.append(list(i))
    return list_split_string

Example 2: python how to turn a word into a list

wordString = "foobar"
list(wordString)
>>> ['f', 'o', 'o', 'b', 'a', 'r']