KW_DEF
IDENTIFIER process
L_PAREN
IDENTIFIER items
R_PAREN
COLON
NEWLINE
INDENT
IDENTIFIER result
ASSIGN
L_BRACKET
R_BRACKET
NEWLINE
KW_FOR
IDENTIFIER i
COMMA
IDENTIFIER item
KW_IN
IDENTIFIER enumerate
L_PAREN
IDENTIFIER items
R_PAREN
COLON
NEWLINE
INDENT
KW_IF
IDENTIFIER item
GT
NUMBER 0
COLON
NEWLINE
INDENT
IDENTIFIER result
DOT
IDENTIFIER append
L_PAREN
IDENTIFIER item
MULTIPLY
NUMBER 2
R_PAREN
NEWLINE
DEDENT
KW_ELIF
IDENTIFIER item
LT
NUMBER 0
COLON
NEWLINE
INDENT
IDENTIFIER result
DOT
IDENTIFIER append
L_PAREN
MINUS
IDENTIFIER item
R_PAREN
NEWLINE
DEDENT
KW_ELSE
COLON
NEWLINE
INDENT
KW_PASS
NEWLINE
DEDENT
DEDENT
IDENTIFIER total
ASSIGN
IDENTIFIER sum
L_PAREN
IDENTIFIER result
R_PAREN
NEWLINE
KW_RETURN
IDENTIFIER total
NEWLINE
DEDENT
KW_CLASS
IDENTIFIER Calculator
COLON
NEWLINE
INDENT
KW_DEF
IDENTIFIER __init__
L_PAREN
IDENTIFIER self
COMMA
IDENTIFIER base
ASSIGN
NUMBER 10
R_PAREN
COLON
NEWLINE
INDENT
IDENTIFIER self
DOT
IDENTIFIER base
ASSIGN
IDENTIFIER base
NEWLINE
DEDENT
KW_DEF
IDENTIFIER add
L_PAREN
IDENTIFIER self
COMMA
IDENTIFIER x
COMMA
IDENTIFIER y
R_PAREN
COLON
NEWLINE
INDENT
KW_RETURN
IDENTIFIER x
PLUS
IDENTIFIER y
NEWLINE
DEDENT
KW_DEF
IDENTIFIER multiply
L_PAREN
IDENTIFIER self
COMMA
IDENTIFIER x
COMMA
IDENTIFIER y
R_PAREN
COLON
NEWLINE
INDENT
KW_RETURN
IDENTIFIER x
MULTIPLY
IDENTIFIER y
NEWLINE
DEDENT
DEDENT
IDENTIFIER x
ASSIGN
IDENTIFIER process
L_PAREN
L_BRACKET
NUMBER 1
COMMA
MINUS
NUMBER 2
COMMA
NUMBER 0
R_BRACKET
R_PAREN
NEWLINE
IDENTIFIER calc
ASSIGN
IDENTIFIER Calculator
L_PAREN
R_PAREN
NEWLINE
IDENTIFIER sum_result
ASSIGN
IDENTIFIER calc
DOT
IDENTIFIER add
L_PAREN
NUMBER 5
COMMA
NUMBER 15
R_PAREN
NEWLINE
EOF