==================
Comments
==================

# x = 1;
# unassigned_variable
x # xyz

---

(source_file
	(comment)
	(comment)
	(expression
		(identifier))
	(comment))

==================
Identifiers
==================

variable_name
_unused_variable
__strange_format__
a
blahblah
x.x

---

(source_file
	(expression
		(identifier))
	(expression
		(identifier))
	(expression
		(identifier))
	(expression
		(identifier))
	(expression
		(identifier))
	(expression
		(identifier)))

==================
Operators
==================

x = y
x + y
x | y
x - y
x / y
x ; y

---

(source_file
	(expression
		(identifier)
		(operator)
		(identifier))
	(expression
		(identifier)
		(operator)
		(identifier))
	(expression
		(identifier)
		(operator)
		(identifier))
	(expression
		(identifier)
		(operator)
		(identifier))
	(expression
		(identifier)
		(operator)
		(identifier))
	(expression
		(identifier)
		(operator)
		(identifier)))

==================
String
==================

"string"

---

(source_file
	(expression
		(string)))

==================
Integer
==================

1

---

(source_file
	(expression
		(integer)))

==================
List
==================

(1, 2)

---

(source_file
	(expression
        (list
          	(expression
            	(integer))
          	(expression
            	(integer)))))