Python学习笔记一

要实现的效果如下图所示：

我用的Python3.5版本，程序代码如下：

#！/usr/bin/env python3.5sentence = input("Sentence: ")text_width = len(sentence)box_width = text_width + 8screen_width = 8whole_width = 2 * text_widthleft_width = (whole_width - box_width) // 2print(' ' * screen_width + '+' + '-' * whole_width + '+')print(' ' * (screen_width + left_width) + '|' + ' ' * box_width + '|' + ' ' * left_width)print(' ' * (screen_width + left_width) + '|' + ' ' * 4 + sentence + ' ' * 4 + '|' + ' ' * left_width)print(' ' * (screen_width + left_width) + '|' + ' ' * box_width + '|' + ' ' * left_width)print(' ' * screen_width + '+' + '-' * whole_width + '+')