how to split words in a sentence in python code example

Example 1: python split sentence into words

sentence = 'Hello world a b c'
split_sentence = sentence.split(' ')
print(split_sentence)

Example 2: how to split a word into letters in python

def split(word):
    return [char for char in word] 

word = "word"
print(split(word))
#output: ["w", "o", "r", "d"]