List

list.append()

numbers = [1, 2, 3, 4]
numbers.append(5)
print(numbers)
 
# output: [1, 2, 3, 4, 5]

list.insert()

animals = ["cat", "dog", "fish"]
animals.insert(1, "monkey")
print(animals)
 
# output: ["cat", "monkey", "dog", "fish"]

animals = ["cat", "dog", "fish"]
animals.insert(200, "monkey")
print(animals)
 
# output: ["cat", "dog", "fish", "monkey"]