Nov 14, 2023 · 例如，考虑以下代码（注意未关闭的 “ { ”）：. 之前版本的解释器会报告令人迷惑的语法错误位置：. 但在 Python 3.10 中则会发出信息量更多的错误提示：. 类似地，涉及未关闭字符串字面值 (单重引号和三重引号) 的错误现在会指向字符串的开头而不是报告 EOF ...py2exe for Python 3. py2exe is a software to build standalone Windows executable programs from Python scripts. py2exe can build console executables and windows (GUI) ... Use of the setup.py py2exe command and of distutils is deprecated as per PEP 632. Both these interfaces will be removed in the next major release.Pi: Directed by Darren Aronofsky. With Sean Gullette, Mark Margolis, Ben Shenkman, Pamela Hart. A paranoid mathematician searches for a key number that will unlock the universal patterns found in nature.2to3 is a Python program that reads Python 2.x source code and applies a series of fixers to transform it into valid Python 3.x code. The standard library contains a rich set of fixers that will handle almost all code. 2to3 supporting library lib2to3 is, however, a flexible and generic library, so it is possible to write your own fixers for 2to3. Specification. The Raspberry Pi 3 Model B+ is the final revision in the Raspberry Pi 3 range. Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz. 1GB LPDDR2 SDRAM. 2.4GHz and 5GHz IEEE 802.11.b/g/n/ac wireless LAN, Bluetooth 4.2, BLE. Gigabit Ethernet over USB 2.0 (maximum throughput 300 Mbps) Extended 40-pin GPIO header. Full-size HDMI®. os. — Miscellaneous operating system interfaces. ¶. Source code: Lib/os.py. This module provides a portable way of using operating system dependent functionality. If you just want to read or write a file see open(), if you want to manipulate paths, see the os.path module, and if you want to read all the lines in all the files on the command ... W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.Project description. Boto3 is the Amazon Web Services (AWS) Software Development Kit (SDK) for Python, which allows Python developers to write software that makes use of services like Amazon S3 and Amazon EC2. You can find the latest, most up to date, documentation at our doc site, including a list of services that are supported.Nov 14, 2023 · 例如，考虑以下代码（注意未关闭的 “ { ”）：. 之前版本的解释器会报告令人迷惑的语法错误位置：. 但在 Python 3.10 中则会发出信息量更多的错误提示：. 类似地，涉及未关闭字符串字面值 (单重引号和三重引号) 的错误现在会指向字符串的开头而不是报告 EOF ...Jan 29, 2024 · 按版本号列出的Python版本: 发布版本 发布日期 点击查看更多. Python 3.12.1 Dec. 8, 2023 下载 发布说明. Python 3.11.7 Dec. 4, 2023 下载 发布说明. Python 3.12.0 Oct. 2, 2023 下载 发布说明. Python 3.11.6 Oct. 2, 2023 下载 发布说明. Python 3.11.5 Aug. 24, 2023 下载 发布说明. Python 3.10.13 Aug. 24 ...Im trying to switch between python versions 3.6.6 and 3.7.0 in windows. I tried py -3.6.6 and doesn't work. Looked for options in py -h, found none.I saw a couple of answers for switching between python versions 2.x and 3.x by adding #!python3 at the start of the file.. I'm able to switch between these by moving path variables up and down but I …pyttsx3 is a text-to-speech conversion library in Python. Unlike alternative libraries, it works offline, and is compatible with both Python 2 and 3. Installation pip install pyttsx3. If you recieve errors such as No module named win32com.client, No module named win32, or No module named win32api, you will need to additionally install pypiwin32.To write π π as a fraction with a common denominator, multiply by 3 3 3 3. π⋅ 3 3 − π 3 π ⋅ 3 3 - π 3. Combine fractions. Tap for more steps... π⋅3− π 3 π ⋅ 3 - π 3. Simplify the numerator. Tap for more steps... 2π 3 2 π 3. The result can be shown in multiple forms.Nov 26, 2018 · It can run several flavors of Linux and is being used to teach kids all over the world how to program. The Raspberry Pi 3 A+ is here and, like the Raspberry Pi 3 Model B+, it boasts a 64-bit quad core processor running at 1.4GHz, dual-band 2.4GHz and 5GHz wireless LAN, and Bluetooth 4.2/BLE. Skill Level: Assembled and Tested. Requests allows you to send HTTP/1.1 requests extremely easily. There’s no need to manually add query strings to your URLs, or to form-encode your PUT & POST data — but nowadays, just use the json method! Requests is one of the most downloaded Python packages today, pulling in around 30M downloads / week — according to GitHub, …May 22, 2022 · 默认情况下，asyncio以生产模式运行。. 为了简化开发，asyncio还有一种 debug 模式 。. 有几种方法可以启用异步调试模式: 将 PYTHONASYNCIODEBUG 环境变量设置为 1 。. 使用 Python 开发模式 。. 将 debug=True 传递给 asyncio.run() 。. 调用 loop.set_debug() 。. 除了启用调试模式外 ...2D physics library Box2D 2.3 for usage in Python. After installing please be sure to try out the testbed demos. They require either pygame or pyglet and are available on the homepage.Oct 14, 2019 · 后续又写了《vn.py 2.1.4源代码深入分析》和《vn.py 2.2.0源代码深入分析》两个文档，感谢各位老师的认可。. vn.py 3.0.0版发布于2022-03-23，这是我一直期待的一个版本，所以它刚一推出，我就立刻开始试用，并着手整理《vn.py 3.0.0源代码深入分析》。. 夜以继日，终于 ...W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.asyncio is a library to write concurrent code using the async/await syntax. asyncio is used as a foundation for multiple Python asynchronous frameworks that provide high-performance network and web-servers, database connection libraries, distributed task queues, etc. asyncio is often a perfect fit for IO-bound and high-level structured network ...Download the latest version of PyCharm for Windows, macOS or Linux.2 days ago · Note that Py_TRASHCAN_BEGIN has a second argument which should be the deallocation function it is in. Deprecated¶ Passing optional arguments maxsplit, count and flags in module-level functions re.split(), re.sub() and re.subn() as positional arguments is now deprecated. as positional arguments is now deprecated. The Pi 3 completed the SunSpider 1.0.2 JavaScript benchmark test in an average time of 2,860 milliseconds (ms)—noticeably speedier than the Raspberry Pi 2, which took about 4,630ms on the same ... Apr 5, 2023 · Python 3.11.3. Release Date: April 5, 2023. This is the third maintenance release of Python 3.11. Python 3.11.3 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.11 series, compared to 3.10. Some of the new major new features and changes in Python 3. ... 2 days ago · Availability: Linux >= 2.2. AF_QIPCRTR is a Linux-only socket based interface for communicating with services running on co-processors in Qualcomm platforms. The address family is represented as a (node, port) tuple where the node and port are non-negative integers. Availability: Linux >= 4.7.Apr 25, 2022 · py-spy 是 Python 程序的采样分析器。. 它可以让您可视化您的 Python 程序所花费的时间，而无需重新启动程序或以任何方式修改代码。. py-spy 的开销极低：它是用 Rust 编写的以提高速度，并且不会与已分析的 Python 程序在同一进程中运行。. 这意味着 py-spy 可以安全地 ...154. Steps to convert .py to .exe in Python 3.6. Install Python 3.6. Install cx_Freeze, (open your command prompt and type pip install cx_Freeze. Install idna, (open your command prompt and type pip install idna. Write a .py program named myfirstprog.py. Create a new python file named setup.py on the current directory of your script.Mar 10, 2022 · 文章浏览阅读702次。Bootstrap的学习_bootstrap py-3 对于 Web 开发来说，一个永远的话题是如何创建一个跨浏览器兼容的布局。许多年来，各种框架使用各种技术来解决这个问题。Jun 5, 2021 · Python三目运算符 (三元运算符)——详解. 我们从一个具体的例子切入本节内容。 假设现在有两个数字，我们希望获得其中较大的一个，那么可以使用 if else 语句，例 …Jul 1, 2019 · I vaguely remember reading that py -3 --version should point to the most recent version. I only have one system variable that I have set my self. And that is: C:\Users\A331144\AppData\Roaming\Python\Python37\Scripts. In this folder, though, none of python.exe nor py.exe exists. If I search for ´python.exe´ and if I chooses open in location I ... Apr 5, 2023 · Python 3.11.3. Release Date: April 5, 2023. This is the third maintenance release of Python 3.11. Python 3.11.3 is the newest major release of the Python …If you have done vice versa, then 3.8 would launch. You can type where python to determine location. Also one thing is that there is a launcher named py, just type py -3.8 3.8 interpreter will launch and same on py -2.7Apr 2, 2024 · Virtual Environments and Packages — Python 3.11.8 documentation. 12. Virtual Environments and Packages ¶. 12.1. Introduction ¶. Python applications will often use packages and modules that don’t come as part of the standard library. Applications will sometimes need a specific version of a library, because the application may require that ... Oct 14, 2019 · 后续又写了《vn.py 2.1.4源代码深入分析》和《vn.py 2.2.0源代码深入分析》两个文档，感谢各位老师的认可。. vn.py 3.0.0版发布于2022-03-23，这是我一直期待的一个版本，所以它刚一推出，我就立刻开始试用，并着手整理《vn.py 3.0.0源代码深入分析》。. 夜以继日，终于 ...Raspberry Pi (/ p aɪ /) is a series of small single-board computers (SBCs) developed in the United Kingdom by the Raspberry Pi Foundation in association with Broadcom.Since 2013, Raspberry Pi devices have been developed and supported by a subsidiary of the Raspberry Pi Foundation, now named Raspberry Pi Ltd. The Raspberry Pi project …154. Steps to convert .py to .exe in Python 3.6. Install Python 3.6. Install cx_Freeze, (open your command prompt and type pip install cx_Freeze. Install idna, (open your command prompt and type pip install idna. Write a .py program named myfirstprog.py. Create a new python file named setup.py on the current directory of your script.- Volatility 3: Includes x32/x64 determination, major and minor OS versions, and kdbg information. Note: This applies for this specific command, but also all others below, Volatility 3 was significantly faster in returning the requested information. ... vol.py -f “/path/to/file” ‑‑profile <profile> connections.Creating a parser ¶. The first step in using the argparse is creating an ArgumentParser object: >>> parser=argparse.ArgumentParser(description='Process some integers.') The ArgumentParser object will hold all the information necessary to parse the command line into Python data types.Under the “Python Releases for Mac OS X” heading, click the link for the Latest Python 3 Release - Python 3.x.x. As of this writing, the latest version was Python 3.8.4. Scroll to the bottom and click macOS 64-bit installer to …The Python Imaging Library adds image processing capabilities to your Python interpreter. This library provides extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities. The core image library is designed for fast access to data stored in a few basic pixel formats.We release updates regularly, with a new version every 3 months. Find more details in our documentation: Release notes; Release process; If you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms: Issue tracking; Discourse channel;Jul 4, 2015 · python3如何进行多行输入？ 自学python3中，遇到这么一个问题： 输入格式: 一系列字符串，每个字符串占一行。 大体想的是用列表，但是每输入完一个字符串程序就 …Online Python Compiler - The best online Python compiler and editor which allows you to write Python Code, Compile and Execute it online from your browser itself. You ...GDAL can be installed from the Python Package Index: pip install GDAL. It will be necessary to have libgdal and its development headers installed if pip is expected to do a source build because no wheel is available for your specified platform and Python version. To install the version of the Python bindings matching your native GDAL library ...Gnuplot is a powerful command-line driven graphing utility for many platforms. To leverage the powful gnuplot to plot beautiful image in efficicent way in python, we port gnuplot to python. We develop set ()/unset () function to set or unset gnuplot plotting style, plot ()/splot () to operate gnuplot plot or splot command, cmd () to execute any ...Ren'Py 8.0.3 "Heck Freezes Over". Ren'Py 8.0.3. was released on September 10, 2022. The main downloads of Ren'Py 8.0.3 are: Download SDK 7z.exe - 79 MiB Download SDK dmg - 98 MiB Download SDK tar.bz2 - 95 MiB. Download SDK zip - 100 MiB. Download ARM Linux (Raspberry Pi and Chromebook) SDK tar.bz2 - 113 MiB. The value of pi is 3.14159..., an irrational number. Pi is a constant value. That is, the ratio of the circumference to the diameter is the same for all circles. The drawing below shows the circumference of a circle that has been "straightened out." It is a little more than three diameters in length: The number pi. Pi is an irrational number. The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. More about defining functions in Python 3. Python is a programming language that lets you work quickly and integrate systems more effectively. Learn More. python -m pip install pyaudio. This installs the precompiled PyAudio library with PortAudio v19 19.7.0 included. The library is compiled with support for Windows MME API, DirectSound, WASAPI, and WDM-KS. It does not include support for ASIO. If you require support for APIs not included, you will need to compile PortAudio and PyAudio. The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. More about defining functions in Python 3. Python is a programming language that lets you work quickly and integrate systems more effectively. Learn More. PyCryptodome is a self-contained Python package of low-level cryptographic primitives. It supports Python 2.7, Python 3.5 and newer, and PyPy. You can install it with:- Volatility 3: Includes x32/x64 determination, major and minor OS versions, and kdbg information. Note: This applies for this specific command, but also all others below, Volatility 3 was significantly faster in returning the requested information. ... vol.py -f “/path/to/file” ‑‑profile <profile> connections.Pi (π) Definition: Pi is a number - approximately 3.142. It is the circumference of any circle divided by its diameter. The number Pi, denoted by the Greek letter π - pronounced 'pie', is one of the most common constants in all of mathematics. It is the circumference of any circle, divided by its diameter. Nobody knows its exact value ... The improvements in the Raspberry Pi 3 Model B+ ($35) aren't revolutionary—they mostly amount to increased CPU, Wi-Fi, and Ethernet speeds—but when coupled with your imagination, technical ... Nov 14, 2023 · Python 3.10 发布于 2021 年 10 月 14 日。 更详细的信息可参阅 更新日志 。 摘要 -- 发布重点 ¶. 新的语法特性： PEP 634, 结构化模式匹配: 规范说明. PEP 635, 结 …On average, PyPy is 4.8 times faster than CPython 3.7. We currently support python 3.10, 3.9, and 2.7. PyPy (with JIT) benchmark times normalized to CPython. Smaller is better. Based on the geometric average of all benchmarks. years. PyPy has enabled us to use Python for a larger part of our. Speed: thanks to its Just-in-Time compiler, Python ...21 hours ago · Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming. Python’s elegant syntax and dynamic typing, together with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas on ... The first 10 digits of pi (π) are 3.1415926535. The first million digits of pi (π) are below. Why not calculate the circumference of a circle using pi here. Or simply learn about pi here. Maximize the fun you can have this Pi Day by checking out our Pi Day Merch. The first million digits of pi (π) are below. Why not calculate the ... Apr 13, 2024 · Construction of the angle pi/3=60 degrees produces a 30-60-90 triangle, which has angles theta=pi/3 and theta/2=pi/6. From the above diagram, write y=sintheta for the vertical leg, then the horizontal leg is given by x=sqrt(1-y^2)=sin(1/2theta) (1) by the Pythagorean theorem. fortnitepy. Asynchronous library for interacting with Fortnite and EpicGames' API and XMPP services. Note: This library is still under developement so breaking changes might happen at any time. Some key features: Full support for Friends. Support for XMPP events including friend and party messages + many more. Support for Parties.The Python Imaging Library adds image processing capabilities to your Python interpreter. This library provides extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities. The core image library is designed for fast access to data stored in a few basic pixel formats.Download the latest version of PyCharm for Windows, macOS or Linux.On the computer you use to remotely connect to the Raspberry Pi, use the following command to securely copy your public key to the Raspberry Pi: ssh-copy-id <username>@<ip address>. When prompted, enter the password for your user account on the Raspberry Pi. Finally, connect to your Raspberry Pi via SSH. Installer packages for Python on macOS downloadable from python.org are signed with with an Apple Developer ID Installer certificate. As of Python 3.11.4 and 3.12.0b1 (2023-05-23), release installer packages are signed with certificates issued to the Python Software Foundation (Apple Developer ID BMM5U3QVKW) ). Source code: Lib/pathlib.py. This module offers classes representing filesystem paths with semantics appropriate for different operating systems. Path classes are divided between pure paths, which provide purely computational operations without I/O, and concrete paths, which inherit from pure paths but also provide I/O operations.Python 3.10.11. Release Date: April 5, 2023. This is the eleventh maintenance release of Python 3.10. Python 3.10.10 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.10 series, compared to 3.9. Among the new major new features and … # Python 3: Simple arithmetic >>> 1 / 2 0.5 >>> 2 ** 3 8 >>> 17 / 3 # classic division returns a float 5.666666666666667 >>> 17 // 3 # floor division 5 Intuitive Interpretation Calculations are simple with Python, and expression syntax is straightforward: the operators + , - , * and / work as expected; parentheses () can be used for grouping. Flask. Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. It began as a simple wrapper around Werkzeug and Jinja, and has become one of the most popular Python web application frameworks.. Flask offers suggestions, but doesn't enforce any …Im trying to switch between python versions 3.6.6 and 3.7.0 in windows. I tried py -3.6.6 and doesn't work. Looked for options in py -h, found none.I saw a couple of answers for switching between python versions 2.x and 3.x by adding #!python3 at the start of the file.. I'm able to switch between these by moving path variables up and down but I …Easy enough for teaching. Universities all over the world are using PsychoPy ® for teaching students about experiments. Flexible and intuitive Builder interface to create huge range of studies. Textbook (s) suitable for both undergraduate and professional audiences. Many further resources for learning and teaching, including Youtube tutorials ...Learn Python 3 basics, from the basics to more advanced concepts like lists and functions. Practice and become skilled at solving problems and fixing errors in your code. Gain the ability to write programs that fetch data …2 days ago · Modules — Python 3.12.3 documentation. 6. Modules ¶. If you quit from the Python interpreter and enter it again, the definitions you have made (functions and variables) are lost. Therefore, if you want to write a somewhat longer program, you are better off using a text editor to prepare the input for the interpreter and running it with that ...# Python 3: Simple arithmetic >>> 1 / 2 0.5 >>> 2 ** 3 8 >>> 17 / 3 # classic division returns a float 5.666666666666667 >>> 17 // 3 # floor division 5 Intuitive Interpretation …What's new in Python 3.12? Or all "What's new" documents since Python 2.0. Tutorial Start here: a tour of Python's syntax and features. Library reference Standard library and builtins. Language reference Syntax and language elements. Python setup and usage How to install, configure, and use Python. Python HOWTOs In-depth topic …Python Conditions and If statements. Python supports the usual logical conditions from mathematics: Equals: a == b. Not Equals: a != b. Less than: a < b. Less than or equal to: a <= b. Greater than: a > b. Greater than or equal to: a >= b. These conditions can be used in several ways, most commonly in "if statements" and loops.Jan 19, 2018 · windows环境下同时安装了python2和python3，通过命令行窗口运行python脚本： 1、python调用py -2调用python2 py -3调用python3 python脚本需要在python2下运行，在脚本前加上，然后运行py xxx.py … The value of pi is 3.14159..., an irrational number. Pi is a constant value. That is, the ratio of the circumference to the diameter is the same for all circles. The drawing below shows the circumference of a circle that has been "straightened out." It is a little more than three diameters in length: The number pi. Pi is an irrational number. Oct 8, 2021 · PyO3 主要用于创建原生 Python 的扩展模块。. PyO3 还支持从 Rust 二进制文件运行 Python 代码并与之交互，可以实现 rust 与 Python 代码共存。. 在一些对性能要 …Jun 5, 2021 · Python三目运算符 (三元运算符)——详解. 我们从一个具体的例子切入本节内容。 假设现在有两个数字，我们希望获得其中较大的一个，那么可以使用 if else 语句，例 …Feb 29, 2016 · The Pi 3 draws the most power of the test group, but its extra performance means it spends more time at idle. Those looking for maximum battery life should look at the Model A+ or the Pi Zero as an alternative. Find out more about the Raspberry Pi 3 on the Raspberry Pi website, including other places you can try to buy it from. PySpark is the Python API for Apache Spark. It enables you to perform real-time, large-scale data processing in a distributed environment using Python. It also provides a PySpark shell for interactively analyzing your data. PySpark combines Python’s learnability and ease of use with the power of Apache Spark to enable processing and …
The Raspberry Pi 3 was a great candidate for us to build an application that can connect to your gaming PC or one in the cloud. Although it only has a quad core ARM chip, it has a high quality H.264 video decoder, Bluetooth support for peripherals, and an HDMI port.. Spanish crossword
我執行了python startup.py -a 的指令，然後跑出一段 C:\Users\user\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local …Apr 5, 2023 · Python 3.11.3. Release Date: April 5, 2023. This is the third maintenance release of Python 3.11. Python 3.11.3 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.11 series, compared to 3.10. Some of the new major new features and changes in Python 3. ... Double-click Terminal in the list. Windows: Type command prompt into the Windows search bar, and then click Command Prompt in the search results. Linux: Press the Control + Alt + T keys, or click the Terminal icon on your desktop. 3. Use the cd command to enter the directory that contains your Python file. Installer packages for Python on macOS downloadable from python.org are signed with with an Apple Developer ID Installer certificate. As of Python 3.11.4 and 3.12.0b1 (2023-05-23), release installer packages are signed with certificates issued to the Python Software Foundation (Apple Developer ID BMM5U3QVKW) ). Online Python Compiler - The best online Python compiler and editor which allows you to write Python Code, Compile and Execute it online from your browser itself. You ...Oct 24, 2022 · Python 3.11.0 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of …2to3 is a Python program that reads Python 2.x source code and applies a series of fixers to transform it into valid Python 3.x code. The standard library contains a rich set of fixers that will handle almost all code. 2to3 supporting library lib2to3 is, however, a flexible and generic library, so it is possible to write your own fixers for 2to3.Apr 17, 2024 · virtual environment 是一种半隔离的 Python 环境，允许为特定的应用安装各自的包，而不是安装到整个系统。. venv 是创建虚拟环境的标准工具，从 Python 3.3 开始成为 Python 的组成部分。. 从 Python 3.4 开始，它会默认安装 pip 到所创建的全部虚拟环境。. virtualenv 是 venv 的 ...Fixed an issue that prevented builds via the deprecated setup.py API. Version 0.12.0.0: Introduce the new py2exe.freeze API. Documentation can be found here. Use of the setup.py py2exe command and of distutils is deprecated as per PEP 632. Both these interfaces will be removed in the next major release.Pi, in mathematics, is a constant which is the ratio of the circumference of a circle to its diameter. It is an irrational number often approximated to 3.14159. It is denoted by the Greek letter 'π' and is spelled as 'pie'. Sometimes, to ease the calculation, the value of pi is used in the form of a fraction as 22/7. os. — Miscellaneous operating system interfaces. ¶. Source code: Lib/os.py. This module provides a portable way of using operating system dependent functionality. If you just want to read or write a file see open(), if you want to manipulate paths, see the os.path module, and if you want to read all the lines in all the files on the command ... Output. Write and run Python code using our online compiler (interpreter). You can use Python Shell like IDLE, and take inputs from the user in our Python compiler. Mar 13, 2024 · 1.py：这通常是您编写的输入源代码。2.py3: Python3脚本(Python3脚本通常以.py而不是.py3结尾，很少使用)3.pyc：这是编译好的字节码。如果您导入一个模块，python将生成一个*.pyc包含字节码的文件，以便以后再次导入它更容易(也更快)。.pyc二进制文件可以4反编译成.py文件，反编译软件叫Easy Python Decompiler。In brief: I have two versions of Python installed: Python 3.6 and Python 3.9. I want to open all my .py and .pyw (ex: when I double click on them) with Python Launcher for Windows. I want the default version of the Python launcher for Windows to be Python 3.6 so that the files without a shebang are open with Python 3.6..