对包含的元素进行变换,等同于 ``transforms.map(self, fn, *side_inputs, **options)`` Args: fn (function): 变换函数 *side_inputs: 参与运算的SideInputs **options: 可配置选项 Returns: PObject: 变换结果 >>> p.parallelize(1).map(lambda x: x + 1).get()
(self, fn, *side_inputs, **options)
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