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使用readlines循环读取txt文件时报错：with open("a.txt", "r") as f: for i in range(0, 20): print(f.readlines()[i].strip())错误信息：IndexError:list index out of range无法读取第二行以后的文本解决办法：加入f.seek()with open("a.txt", "r") as f: for i in range(0, 20):