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