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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 err(msg, level=-1, prefix=True):
 """Prints the specified message as an error; prepends "ERROR" to the message, so that can be left off. """

    if will_print(level) or verbosity is None:
        printer(("ERROR: " if prefix else "") + msg, "red")