code: def long_to_datetime(x):
      """Converts a long integer representing the number of microseconds since
      ``datetime.min`` to a datetime object.
      """
  
      days = x // 86400000000  # Microseconds in a day
      x -= days * 86400000000
  
      seconds = x // 1000000  # Microseconds in a second
      x -= seconds * 1000000
  
      return datetime.min + timedelta(
          days=days, seconds=seconds, microseconds=x
      )
  
imports: import calendar
  import copy
  from datetime import date, datetime, timedelta
  from whoosh.compat import iteritems
label_desc: Use image node_id 4 for calling a global function with example usage: long_to_datetime(x) and returns: unknown