Unifique todas las listas en una sola.

def merge(list1, list2):
  return list1 + list2

list1 = [1, 2, 3]
list2 = [4, 5, 6]
list3 = merge(list1, list2)
print(list3)

Output:
[1, 2, 3, 4, 5, 6]

A:

You can use the + operator to concatenate lists. For