how to change the str to list in python code example

Example 1: string to list python

s = 'hello'
l = list(s)
print(l) # prints ['h', 'e', 'l', 'l', 'o']

Example 2: python3 create list from string

input = ['word1, 23, 12','word2, 10, 19','word3, 11, 15']
output = []
for item in input:
    items = item.split(',')
    output.append([items[0], int(items[1]), int(items[2])])