code: def _symbols_to_sequence(symbols):
      """convert symbols to sequence"""
      return [
          _symbol_to_id[s] for s in symbols if _should_keep_symbol(s)
      ]
  
file_path: speechbrain/speechbrain/utils/text_to_sequence.py
imports: import re
  import logging
label_desc: Use image node_id 12 for calling a global function with example usage: _symbols_to_sequence(symbols) and returns: unknown