Question: PYTHON 3 : Write a recursive function paren_checker , that takes in a string and returns True if it is a nesting of zero or

PYTHON 3 :

Write a recursive function paren_checker, that takes in a string and returns True if it is a nesting of zero or more correct pairs of parentheses, like "(())" or "((()))". If there are any characters in the expression

you should return false, even if the order of the parentheses is correct.

Hint: check the first and last characters, and then recursively check what's between them.

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