comefrom: <qiyuangong>252_Meeting_Rooms_2.py
code: def canAttendMeetings( intervals):
      intervals.sort(key=lambda x: x.start)
      ls = len(intervals)
      for i in range(ls - 1):
          if intervals[i].end > intervals[i + 1].start:
              return False
      return True
masked: def sample_funcname ( var_0 ) :
      var_0.sort ( var_2 = lambda var_3 : var_3.start )
      var_6 = len ( var_0 )
      for var_9 in range ( var_6 - 1 ) :
          if var_0 [ var_9 ].end > var_0 [ var_9 + 1 ].start :
              return False
      return True
  