code: def p_spec(p):
      """spec : unit_range
      | operator_range
      | last_unit
      | explicit_range
      | explicit_datetime
      """
      p[0] = p[1]
  
imports: from datetime import datetime, date, time, timedelta
  from guild import _yacc
  from .None import trlex
label_desc: Use image node_id 1 for calling a global function with example usage: p_spec(p) without return types