class_docstr: Used to instantiate an input node.
  
  # Arguments
  shape: A shape tuple, not including batch.
  name: String to set the name of the layer.
        If not specified, its name will by default to be a generated string.
  
  >>> input = Input(name="input1", shape=(3, 5))
  creating: createZooKerasInput
code: def __init__(self, shape=None, name=None, bigdl_type="float"):
      super(Input, self).__init__(
          input_shape=list(shape) if shape else None,
          node=None,
          jvalue=None,
          name=name,
      )
  
imports: import zoo.pipeline.api.autograd
  from zoo.feature.image import ImageSet
  from zoo.feature.text import TextSet
  from zoo.feature.common import FeatureSet
  from zoo.pipeline.api.keras.base import ZooKerasLayer
  from zoo.pipeline.api.keras.utils import *
  from bigdl.nn.layer import Layer
  from zoo.common.utils import callZooFunc
label_desc: Use image node_id 1 to create a new Input object from inherited base classes: autograd with example: obj = Input(shape, name, bigdl_type)