KW_DEF
IDENTIFIER function_name
L_PAREN
R_PAREN
COLON
NEWLINE
INDENT
KW_IF
IDENTIFIER condition
COLON
NEWLINE
INDENT
KW_RETURN
IDENTIFIER value
NEWLINE
DEDENT
KW_FOR
IDENTIFIER item
KW_IN
IDENTIFIER list
COLON
NEWLINE
INDENT
IDENTIFIER print
L_PAREN
IDENTIFIER item
R_PAREN
NEWLINE
DEDENT
DEDENT
EOF