How to code a list that has a method, i.e. sum(), that returns the sum of the element(s) in the list if all element(s) in the list are integer or number, and returns the concatenation of string of...
Type: Posts; User: New_Java_Student
How to code a list that has a method, i.e. sum(), that returns the sum of the element(s) in the list if all element(s) in the list are integer or number, and returns the concatenation of string of...