python - Create a tuple from a string and a list of strings -

I need to combine a string with a list of strings so that I can use it as a dictionary key Can I

This list will be small (typically 1, but sometimes 2 or 3 items).

What is the fastest way to do this?

ago:

  my_string == "foo" my_list == ["bar", "falcon", "quax", "etc."]   
 After:  
  my_tuple == ("foo", "bar", "baz", "qux", "etc")   
 (Note:  my_list  should not change itself).   
 
 
 I can not talk for performance, but this is definitely the simplest, I can think I:  
  my_tuple = tuple ([my_string] + my_list)