code: def time2token(x: float) -> str:
      """Convert float time to timestamp token."""
      x = round(x / SPEECH_RESOLUTION) * SPEECH_RESOLUTION
      return f"<{x:.2f}>"
  
imports: from argparse import ArgumentParser
  from pathlib import Path
  from kaldiio import ReadHelper
label_desc: Use image node_id 1 for calling a global function with example usage: time2token(x) and returns: str, x, str