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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 objSearchReplace(obj: Any, toFrom: Dict[Any, Any], checked: Set[Any]=None, logMsg: str=None, deepLevel: int=None) -> None: """ Search for an attribute in an object and replace it with another. :param obj: the object to search for the attribute :param toFrom: dictionary of the attribute name before and after search and replace i.e. search for the key and replace with the value :param checked: set of attributes of the object for recursion. optional. defaults to `set()` :param logMsg: a custom log message """


    if checked is None:
        checked = set()

    checked.add(id(obj))
    pairs = [(i, getattr(obj, i)) for i in dir(obj) if not i.startswith("__")]

    if isinstance(obj, Mapping):
        pairs += [x for x in iteritems(obj)]
    elif isinstance(obj, (Sequence, Set)) and not isinstance(obj, string_types):
        pairs += [x for x in enumerate(obj)]

    for nm, o in pairs:
        if id(o) not in checked:
            mutated = False
            for old, new in toFrom.items():
                if id(o) == id(old):
                    logging.debug(
                        "{}in object {}, attribute {} changed from {} to {}". format(
                            logMsg + ": " if logMsg else "", obj, nm, old, new))
                    if isinstance(obj, dict):
                        obj[nm] = new
                    else:
                        setattr(obj, nm, new)
                    mutated = True
            if not mutated:
                if deepLevel is not None and deepLevel == 0:
                    continue
                objSearchReplace(o, toFrom, checked, logMsg, deepLevel -
                                 1 if deepLevel is not None else deepLevel)
    checked.remove(id(obj))