PYTHON 3

What is the syntax for a lambda expression to remove the leading and trailing whitespace (the string strip() function) from an item? lambda s: s.strip() lambda s: return s.strip() lambda(s): s.strip() lambda s: return s.strip() if s > 0 Which of the following is a benefit of encapsulation? The name of the class can be changed later without affecting other classes. The internal representation of the class can be changed later without affecting other classes The public interface of the class can be changed later without affecting other classes All of the above