This code performs the following steps: 1. `numbers = [1, 2,...

This code performs the following steps:

1. numbers = [1, 2, 3]:

   • Creates a list named numbers containing the elements [1, 2, 3].

2. numbers.append(4):

   • Adds the integer 4 to the end of the numbers list using the append() method. After this, the list becomes [1, 2, 3, 4].

3. print(numbers):

   • Prints the updated list to the console. The output will be:

   [1, 2, 3, 4]