code: def _vector_to_ascii(vector: np.ndarray) -> Optional[str]:
      if (
          vector.dtype != np.int8
          and vector.dtype != np.uint8
          and vector.dtype != np.byte
      ):
          return None
      if not np.all((vector >= 0) | (vector <= 100)):
          return None
  
      # Let's map [0, 100] to the range from [23, 123],
      # poking 60 and replacing with the 124.
      vector += 23
      vector[vector == 60] = 124
      ascii = str(vector)
      return ascii
  
file_path: usearch/python/usearch/client.py
imports: from typing import Union, Optional, List
  import numpy
  from ucall.client import Client
  from usearch.index import Matches
label_desc: Use image node_id 1 for calling a global function with example usage: _vector_to_ascii(vector) and returns: ascii, None, None