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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 _checkConflictingNames(interfaces):
 """ Raise an exception if any of the names present in the given interfaces conflict with each other. @param interfaces: a list of Zope Interface objects. @return: None @raise ConflictingNames: if any of the attributes of the provided interfaces are the same, and they do not have a common base interface which provides that name. """

    names = {}
    for interface in interfaces:
        for name in interface:
            if name in names:
                otherInterface = names[name]
                parent = _commonParent(interface, otherInterface)
                if parent is None or name not in parent:
                    raise ConflictingNames("%s conflicts with %s over %s" % (
                            interface, otherInterface, name))
            names[name] = interface