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)
原文：http://www.cnblogs.com/themost/p/6389239.html