Question

What will be the output?

list1 = [1, 2, 3, 4]
list2 = [5, 6, 7, 8]
print ( len(list1 + list2))

Answer 1

Concatenating list1 and list2 yields a new list with 8 elements, so the output of len(list1 + list2) will be 8.

Step-by-step explanation:

The student has provided two lists, list1 and list2, and wants to know the output when the length of the concatenated list (list1 + list2) is printed. When you concatenate the two lists, you get a new list that combines the elements of both: [1, 2, 3, 4, 5, 6, 7, 8]. To find the length of this new list, you use the len() function. The output will be the number of elements in the combined list, which in this case is 8.