code: def _shift(start, end, **delta_kw):
      shift = timedelta(**delta_kw)
      return start + shift, end + shift
  
imports: from datetime import datetime, date, time, timedelta
  from guild import _yacc
  from .None import trlex
label_desc: Use image node_id 55 for calling a global function with example usage: _shift(start, end) and returns: unknown,  unknown