Python3.6.4官方版是一款在适合开发人员使用的windows系统上运行的脚本语言工具,Python3.6.4官方版是目前程序设计从业者必学的语言之一。我们可以通过python平台来获取到所有程序软件的源代码,而且你还可以直接将这些代码改变成为其他不同的语言,从而是程序的模块更为清楚。
功能介绍
1、Python3.6.4官方版采用最简单易懂的语言,让用户快速了解
2、Python3.6.4官方版提供多个模块,并且对程序进行分层处理
3、能够自动处理程序里的各种异常错误
4、可以在电脑上作为脚本接口来进行使用
安装步骤
1.在本站下载Python压缩包并解压,双击python.exe程序,选择install just for me,点击下一步
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2.选择python安装的路径一般都安装在c盘,点击next下一步
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3.选择python索要安装的文件 默认全部安装,点击next
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4.稍等一小会儿会就会安装成功
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5.点击环境变量,选择path路径
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6.然后双击 把刚刚安装python时选择的路径放在path路径里面 注意最后面的分好要填写
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7.然后在cmd命令行下键入python -V就能得到python的版本信息了 ,现在已经成功安装完成了
使用方法
1.python软件怎么用
(1)安装python一般都会有一个交互式解释器
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(2)我们可以在这里直接写入运行
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(3)但如果我们将其关闭,刚才写的代码就会丢失。此时,我们新建一个文本文档,写入print 'hello world',然后将文件名改写为:hello.py。注意,后缀名是py,你的电脑要显示后缀名才可以看见
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(4)然后,我们打开解释器,通过file->open打开刚才写的py
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(5)打开后会显示如下框框,就是我们刚才写的代码
(6)此时,可以点击Run->run module,或者直接按F5,运行代码,如下图所示,运行成功,并打印结果
2.python软件怎么运行
(1)在键盘上按"WIN键"+"R键",打开运行菜单
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(2)在打开栏里输入cmd,然后点击确定,打开命令行
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(3)命令行打开后是一个黑色的窗口
(4)在文件夹中找到想要运行的python脚本
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(5)将python脚本拖进命令行
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(6)可以看见该脚本已经在命令行中待命
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(7)按回车
可以看见该脚本已经成功在命令行中运行
输出了"hello world"
新版功能
核心
bpo-31949: Fixed several issues in printing tracebacks (PyTraceBack_Print())
bpo-30696: Fix the interactive interpreter looping endlessly when no memory.
bpo-20047: Bytearray methods partition() and rpartition() now accept only bytes-like objects as separator, as documented. In particular they now raise TypeError rather of returning a bogus result when an integer is passed as a separator.
bpo-31852: Fix a segmentation fault caused by a combination of the async soft keyword and continuation lines.
bpo-21720: BytesWarning no longer emitted when the fromlist argument of __import__() or the __all__ attribute of the module contain bytes instances.
bpo-28603: Print the full context/cause chain of exceptions on interpreter exit, even if an exception in the chain is unhashable or compares equal to later ones. Patch by Zane Bitter.
库
bpo-28556: Two minor fixes for typing module: allow shallow copying instances of generic classes, improve interaction of __init_subclass__with generics. Original PRs by Ivan Levkivskyi.
bpo-27240: The header folding algorithm for the new email policies has been rewritten, which also fixes bpo-30788, bpo-31831, and bpo-32182. In particular, RFC2231 folding is now done correctly.
bpo-32186: io.FileIO.readall() and io.FileIO.read() now release the GIL when getting the file size. Fixed hang of all threads with inaccessible NFS server. Patch by Nir Soffer.
测试
bpo-31380: Skip test_httpservers test_undecodable_file on macOS: fails on APFS.
bpo-31705: Skip test_socket.test_sha256() on Linux kernel older than 4.5. The test fails with ENOKEY on kernel 3.10 (on ppc64le). A fix was merged into the kernel 4.5.
bpo-31174: Fix test_tools.test_unparse: DirectoryTestCase now stores the names sample to always test the same files. It prevents false alarms when hunting reference leaks.
bpo-30695: Add the set_nomemory(start, stop) and remove_mem_hooks() functions to the _testcapi module.
python常见问题
1.python怎么换行输入?
(1)在python中,Python 用反斜线 (“”) 作为续行符(换行符),以python3.5为例,首先运行终端或者cmd命令行(windows下),执行python3.5的命令。
(2)然后输入如下图所示的内容。
2.python怎么设置环境变量?
(1)计算机--右键--属性在左栏找到“高级系统设置”,点击“环境变量”
(2)在系统变量中,找到Path,双击
(3)点确定,打开命令行,输入python,出现以下提示即为配置成