1、实例：输出12个星座符号，以反斜线分隔。
for i in range(12): print(chr(9800+i),end=' ')
2、实例：恺撒密码的编码。
r=input('请输入明文：') print('输出明文：',end=' ') for i in r: if ord('a')<=ord(i)<=ord('z'): print(chr(ord('a')+(ord(i)-ord('a')+3)%26),end=' ') else: print(i,end= ' ')
3、输入姓名，格式输出：占4位、居中、不足4字的以空格填充。
4、格式化输出：中华人民共和国国内生产总值(GDP)689,136.89亿元(2015年)（千分位、2位小数，浮点数）。
s=float(input('请输入GDP：')) print('2015年国内GDP为{0:,.2f}亿元'.format(s))
5、实例：打出99乘法表。
for x in range(1,10): for y in range(1,x+1): print('{}*{}={}'.format(x,y,x*y),end=' ') print(' ')
6、实例: 下载一首英文的歌词或文章，统计单词出现的次数，将所有,.？！替换为空格，将所有大写转换为小写。
>>> cs='''Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be counting stars Yeah we’ll be counting stars I see this life like a swinging vine Swing my heart across the line And my face is flashing signs Seek it out and you shall find Old, but I’m not that old Young, but I’m not that bold I don’t think the world is sold I’m just doing what we’re told I feel something so right Doing the wrong thing I feel something so wrong Doing the right thing I could lie, could lie, could lie Everything that kills me makes me feel alive Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be counting stars Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be, we’ll be counting stars I feel the love and I feel it burn Down this river, every turn Hope is a four-letter word Make that money, watch it burn Old, but I’m not that old Young, but I’m not that bold I don’t think the world is sold I’m just doing what we’re told I feel something so wrong Doing the right thing I could lie, could lie, could lie Everything that drowns me makes me wanna fly Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be counting stars Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be, we’ll be counting stars Take that money, watch it burn Sink in the river, the lessons are learnt Take that money, watch it burn Sink in the river, the lessons are learnt Take that money, watch it burn Sink in the river, the lessons are learnt Take that money, watch it burn Sink in the river, the lessons are learnt Everything that kills me makes feel alive Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be counting stars Lately, I’ve been, I’ve been losing sleep Dreaming about the things that we could be But baby, I’ve been, I’ve been praying hard Said, no more counting dollars We’ll be, we’ll be, counting stars Take that money, watch it burn Sink in the river, the lessons are learnt Take that money, watch it burn Sink in the river, the lessons are learnt Take that money, watch it burn Sink in the river, the lessons are learnt Take that money, watch it burn Sink in the river, the lessons are learnt '''
统计money出现的次数：
将，替换为空格：
将所有大写转换为小写：
7、用webbrowser，uweb.open_new_tab('url')打开校园新闻列表。
>>> import webbrowser >>> webbrowser.open_new_tab('http://news.gzcc.cn/html/xiaoyuanxinwen/ ') True >>>
