Python Programming, Python, Python For Data Science, Python3, Data Science.
enumerate(sorted_files): with open(file, 'r') as f: line = f.readline() if line: heapq.heappush(heap, (line, i, f)) with tempfile.NamedTemporaryFile(delete=False) as output_file: while heap: line, file_index, file = heapq.heappop(heap) output_file.write(line) next_line = file.readline() if