code: def skip_connection() -> Model:
      inputs = klayers.Input(shape=(1,))
      dense = klayers.Dense(1, activation="linear", use_bias=False)
      outputs = klayers.Add()([inputs, dense(inputs)])
      return kmodels.Model(
          inputs=inputs, outputs=outputs, name="skip_connection"
      )
  
imports: from __future__ import annotations
  import tensorflow.keras.layers
  import tensorflow.keras.models
  from innvestigate.backend.types import Model
label_desc: Use image node_id 2 for calling a global function with example usage: skip_connection() and returns: kmodels