{"blocks": [{"key": "06353ec3", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "7858d8b0", "text": "LeetCode 736. Parse Lisp Expression – Given a string representing a Lisp-like expression containing let/add/mult operations and variable bindings, evaluate the expression and return the integer result. In addition to the standard problem, the input string may be syntactically invalid; detect invalid cases (e.g., mismatched parentheses, unknown tokens) and return an error indicator.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "74bca951", "text": "https://leetcode.com/problems/parse-lisp-expression/description/", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}