1 #编写程序实现读取文件前几行
2 def print_line(file_name):
3     line = int(input(‘请输入要显示前几行：‘))
4     f = open(file_name)
5     for each_line in range(0,line):
6         print(f.readline())
7 
8 file_name = input(‘请输入要打开的文件名：‘)
9 print_line(file_name)