Matthew Denson mdenson-dayspring
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| """ | |
| exp ::= term | exp + term | exp - term | |
| term ::= factor | factor * term | factor / term | |
| factor ::= number | ( exp ) | |
| """ | |
| class Calculator(): | |
| def __init__(self, tokens): | |
| self._tokens = tokens | |
| self._current = tokens[0] |