python insert item in list at position code example

Example 1: how to add an item to a list python

numbers = [1, 2, 3, 4]
numbers.append(10)
print(numbers)

Example 2: append to lists python

list = [1, 2, 3]
  print list.append(4)   ## NO, does not work, append() returns None
  ## Correct pattern:
  list.append(4)
  print list  ## [1, 2, 3, 4]