Q1 Which of the following is not a valid return statement?

a.return first_name, last_name, age

b.return (first_name, last_name, age)

c.return first_name + last_name + str(age)

d.all of the above are valid

Q2 Mutable argument objects can be modified in-place inside a function, and those changes will affect any variable that references the same object True or False

Q3 Passing a copy prevents the original object from being modified. True or False

Q4 Assignments in a function only affect the local namespace. True or False