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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_file_locations(self, file_locations=[]):
 """ Adds a list of file locations to the current list Args: file_locations: list of file location tuples """

        if not hasattr(self, '__file_locations__'):
            self.__file_locations__ = copy.copy(file_locations)
        else:
            self.__file_locations__ += copy.copy(file_locations)