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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 add_error(name=None, code=None, status=None):
 """Create a new Exception class"""

    if not name or not status or not code:
        raise Exception("Can't create Exception class %s: you must set both name, status and code" % name)
    myexception = type(name, (PyMacaronException, ), {"code": code, "status": status})
    globals()[name] = myexception
    if code in code_to_class:
        raise Exception("ERROR! Exception %s is already defined." % code)
    code_to_class[code] = myexception
    return myexception