# list.insert(before, value)
list = ["a", "b"]
list.insert(1, "c")
print(list) # ['a', 'c', 'b']
# at the end: list.append(value)
list.append("d") # ['a', 'c', 'b', 'd']
Here is what the above code is Doing:
1. We create a list with two elements, “a” and “b”.
2. We insert the element “c” at index 1.
3. We append the element “d” to the end of the list.