GoalScope — is_nested (Qwen2.5-Coder-32B-Instruct) — hover a token to see the patched verbalization
<code>↵ def is_nested(string):↵ """Check if the parentheses in the string are properly nested."""↵ stack = []↵ for char in string:↵ if char == '(':↵ stack.append(char)↵ elif char == ')':↵ if not stack:↵ return False stack.pop()↵ return not stack</code>