part6: calc6.py -> edit LPARENT condition in factor method of Interpreter class #18
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Hi dear friend
If the desired condition checks the LPARENT type in the following example
5+) 3)
Instead of Invalid syntax error, it encounters this error
Traceback (most recent call last):
File "c: /Users/Dell/Desktop/interpreter/interpreter.py", line 194, in
main ()
File "c: /Users/Dell/Desktop/interpreter/interpreter.py", line 189, in main
result = interpreter.expr ()
File "c: /Users/Dell/Desktop/interpreter/interpreter.py", line 169, in expr
result = result + self.term ()
TypeError: unsupported operand type (s) for +: 'int' and 'NoneType'