comefrom: <qiyuangong>252_Meeting_Rooms_1.py
code: def canAttendMeetings( intervals):
      check = []
      for it in intervals:
          check.append((it.start, True))
          check.append((it.end - 1, False))
      check.sort(key=lambda x : x[0])
      count = 0
      for t in check:
          if t[1]:
              count += 1
              if count > 1:
                  return False
          else:
              count -= 1
      return True
masked: def sample_funcname ( var_0 ) :
      var_1 = [ ]
      for var_2 in var_0 :
          var_1.append ( ( var_2.start , True ) )
          var_1.append ( ( var_2.end - 1 , False ) )
      var_1.sort ( var_10 = lambda var_11 : var_11 [ 0 ] )
      var_13 = 0
      for var_14 in var_1 :
          if var_14 [ 1 ] :
              var_13 += 1
              if var_13 > 1 :
                  return False
          else :
              var_13 -= 1
      return True
  