Python基础学习【1】-简单数据类型
2017-10-16 本文已影响39人
爱吃西瓜的番茄酱
![](https://img.haomeiwen.com/i3428666/450effd7db05f059.png)
一:字符串
1:.title()方法将每个单词的首字母改为大写
例:
![](https://img.haomeiwen.com/i3428666/c1e65406215f0f8a.png)
输出:
![](https://img.haomeiwen.com/i3428666/a25b0e1489f828a2.png)
2:.upper()方法将字符串全部改为大写
例:
![](https://img.haomeiwen.com/i3428666/51d4b0a7aa528a7f.png)
输出:
![](https://img.haomeiwen.com/i3428666/da1936719ae017b3.png)
3:.lower()方法将字符串全部改为小写
例:
![](https://img.haomeiwen.com/i3428666/71183a1551d71d54.png)
输出:
![](https://img.haomeiwen.com/i3428666/b7bc9f48f882e5bf.png)
4:使用加号(+)来拼接字符串
例:
![](https://img.haomeiwen.com/i3428666/31c150e9a239646c.png)
输出:
![](https://img.haomeiwen.com/i3428666/0f69b69a3f3a64cc.png)
5:使用制表符和换行符来添加空白
例:
![](https://img.haomeiwen.com/i3428666/47248f701ba4c3eb.png)
输出:
![](https://img.haomeiwen.com/i3428666/b49cfd16bfdc118e.png)
6:删除空白
例:
![](https://img.haomeiwen.com/i3428666/cd199004c45774f7.png)
输出:
![](https://img.haomeiwen.com/i3428666/f0d008392909ec21.png)
二:数字
1:整数的加减乘除
例:
![](https://img.haomeiwen.com/i3428666/ee4623afbd861247.png)
输出:
![](https://img.haomeiwen.com/i3428666/bdcda22a52a9fe07.png)
2:使用两个乘号表示乘方
例:
![](https://img.haomeiwen.com/i3428666/eba195eb07bcdb46.png)
输出:
![](https://img.haomeiwen.com/i3428666/08ca70ad3b0c0281.png)
3:浮点数
例:
![](https://img.haomeiwen.com/i3428666/883b05442f12edbc.png)
输出:
![](https://img.haomeiwen.com/i3428666/cb6b54835cec1d33.png)
4:使用函数str()避免类型错误
例:
![](https://img.haomeiwen.com/i3428666/a3ab3899c5137a60.png)
输出:
![](https://img.haomeiwen.com/i3428666/ddc11f552b081a5d.png)
三:Python之禅
对于Python,一直有一首优美的诗来描述它,那就是《Python之禅》,那Python之禅到底是什么东西呢?只需要在编辑器中输入一句话:import this,如图
![](https://img.haomeiwen.com/i3428666/c269bab8833c7eb5.png)
然后运行该程序(没错,这一句话就是一个Python程序):
运行结果就是《Python之禅》这首诗的内容。(只是我英文不太好,看不太懂这首诗的内涵)
![](https://img.haomeiwen.com/i3428666/08a0fdf677be4f2a.png)
Python就是这么的神奇!
每天学习一点点,每天进步一点点。