Given a list List1 = [1, 2, 3].

Q. Given a list List1 = [1, 2, 3].

Run the following two statements for the list List1 and explain how these two statements are different:

List1 += 4 # statement

List1 += [4] # statement

Explanation

Answer =

Because in statement 1 there is addition of list and integer which is not possible. While in statement 2 there is addition of two lists which is possible.