form a new list from other list python code example

Example 1: how to add item to a list python

my_list = []
item1 = "test1"
my_list.append(item1)

print(my_list) 
# prints the list ["test1"]

Example 2: how to add an item to a list python

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