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**Question:** Write a function called balanced that takes a string `s` as input. The function should return `True` if the string contains only balanced parentheses, brackets, and braces (i.e., `()`, `[]`, `{}`), otherwise it should return `False`. **Example:** Input: balanced("({[]})") Output: True
def balanced(s): """ Checks if the string contains only balanced parentheses, brackets, and braces. Args: s: The input string. Returns: bool: True if the string is balanced, False otherwise. """ # TODO: Implement the balanced function pass