parameters: (self, times, targetFriend)
return_statement: return lookup[targetFriend]
docstring: :type times: List[List[int]]
          :type targetFriend: int
          :rtype: int
docstring_summary: :type times: List[List[int]]
          :type targetFriend: int
          :rtype: int
docstring_tokens: : type times : List [ List [ int ]] : type targetFriend : int : rtype : int
function: def smallestChair(self, times, targetFriend):
          """
          :type times: List[List[int]]
          :type targetFriend: int
          :rtype: int
          """
          events = []
          for i, (s, e) in enumerate(times): 
              events.append((s, True, i))
              events.append((e, False, i))
          events.sort()
  
          lookup = {}
          min_heap = []
          for _, arrival, i in events: 
              if not arrival: 
                  heapq.heappush(min_heap, lookup.pop(i))
                  continue
              lookup[i] = heapq.heappop(min_heap) if min_heap else len(lookup)
              if i == targetFriend:
                  break
          return lookup[targetFriend]
function_tokens: def smallestChair ( self , times , targetFriend ) : events = [ ] for i , ( s , e ) in enumerate ( times ) : events . append ( ( s , True , i ) ) events . append ( ( e , False , i ) ) events . sort ( ) lookup = { } min_heap = [ ] for _ , arrival , i in events : if not arrival : heapq . heappush ( min_heap , lookup . pop ( i ) ) continue lookup [ i ] = heapq . heappop ( min_heap ) if min_heap else len ( lookup ) if i == targetFriend : break return lookup [ targetFriend ]