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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def rm_brackets(text: str) -> str:
    "Remove all empty brackets from `t`."
    new_line = re.sub(r"\(\)", "", text)
    new_line = re.sub(r"\{\}", "", new_line)
    new_line = re.sub(r"\[\]", "", new_line)

    return new_line