for i in range(line):
    print(f.readline(),end='')

import time
 
 
def read_book(path, line=3, auto=False):
 with open(path, mode='r') as f:
 # 获取文件的总长度
 f.seek(0, 2) # 先跳转到末尾位置
 end_position = f.tell() # 读取位置
 # print(end_position)
 f.seek(0, 0) # 将光标移动到文件的开头
 
 while True:
 if auto == True:
 '''自动翻页'''
 for i in range(line):
  print(f.readline(), end='')
 time.sleep(2)
 now_position = f.tell()
 if now_position == end_position:
  break
 
 
 else:
 '''手动翻页'''
 num = input('请输入N阅读下一页：')
 if num == 'N':
  for i in range(line):
  print(f.readline(), end='')
  now_position = f.tell()
  if now_position == end_position:
  print()
  print('亲，好勤奋啊，读完了')
  break
 else:
  print('输错了哦，请重新输入...')
 
 
read_book('file/a.txt')