Assuming students had entered their own first name and last name in response to separate inputs, what is accomplished by the following code snippet?

Student_name = firstname + lastname

O Student name would become FirstnameLastname (e. g.: "JuanDoe").
O Student name would become Firstname Lastname (e. g., "Juan Doe").
O A new variable, "student name," would be created and indexed.
and
O This line would return a syntax error.