因为Python是跨平台的,它可以运行在Windows、Mac和各种Linux/Unix系统上。在Windows上写Python程序,放到Linux上也是能够运行的。
要开始学习Python编程,首先就得把Python安装到你的电脑里。安装后,你会得到Python解释器(就是负责运行Python程序的),一个命令行交互环境,还有一个简单的集成开发环境。
在Windows上安装Python
首先,根据你的Windows版本(64位还是32位)从Python的官方网站下载Python 3.7对应的64位安装程序或32位安装程序(网速慢的同学请移步国内镜像),然后,运行下载的EXE安装包:
特别要注意勾上Add Python 3.7 to PATH
,然后点“Install Now”即可完成安装。
运行Python
安装成功后,打开命令提示符窗口,敲入python后,
看到上面的画面,就说明Python安装成功!
你看到提示符>>>
就表示我们已经在Python交互式环境中了,可以输入任何Python代码,回车后会立刻得到执行结果。现在,输入exit()
并回车,就可以退出Python交互式环境(直接关掉命令行窗口也可以)。
如果出现:
‘python’ 不是内部或外部命令,也不是可运行的程序或批处理文件。
这是因为Windows会根据一个Path
的环境变量设定的路径去查找python.exe
,如果没找到,就会报错。如果在安装时漏掉了勾选Add Python 3.7 to PATH
,那就要手动把python.exe
所在的路径添加到Path中。
如果你不知道怎么修改环境变量,建议把Python安装程序重新运行一遍,务必记得勾上Add Python 3.7 to PATH
。
IDE推荐:PyCharm
pycharm是一种Python IDE,能够帮助我们在编写代码时提高效率。 网上提供的有专业版和教育版之分。
下载地址:http://www.jetbrains.com/pycharm
再提供一个专业版的注册码,但不保证所有人都能使用
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