code: def tensor_for_label(label):
      """Fake embedding based on occurrence of 26 ASCII letters in the label."""
      return tuple(
          0.1 if c in label else -0.1 for c in string.ascii_lowercase
      )
  
file_path: tensorboard/tensorboard/plugins/projector/projector_demo.py
imports: import os
  import string
  from absl import app
  from absl import flags
  from tensorboard.plugins import projector
label_desc: Use image node_id 1 for calling a global function with example usage: tensor_for_label(label) and returns: tuple