This article mainly introduces how to install python after downloading it. It has certain reference value. Friends in need can refer to it. I hope you will gain a lot after reading this article. Let the editor take you to understand it together.
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Without further ado, let’s get straight to the real stuff~ (There are benefits for readers at the end of the article)
1. Download the installation program from the official website
1. Official website page and download location
You can search Python through Baidu to find the official website address, or click the link directly to enter the official website. The official website page that opens is as follows:
I am using Google Chrome, which comes with Chinese and English translation by default. To view the English page, the download address is as follows:
The options in the upper right corner can be switched to Chinese, as follows:
Because in order to consider everyone's common situation, the English version of the page will be displayed later.
2. Download version classification and selection
You can see from the download address that the latest version is Python3.8.3. Click in and scroll down to the bottom of the page to see different Python download versions, as follows:
I am using a Windows system, so taking the Windows system installation as an example, you will find that there are 64-bit and 32-bit versions to download. The 64-bit is easy to identify, and the 32-bit is not marked. In fact, there are three versions below the 64-bit. It is a 32-bit system installation software. We choose the 64-bit middle version to download and install.
Click, and the browser or downloading software will automatically download, about 27M. In order to facilitate everyone to identify the version, a Chinese display will be released:
3. The installation software download is completed
After the software download is completed, it is as follows:
2. Python software installation
1. Click Install and Select
Click on the downloaded software to install it. There is an option below. The system is not checked by default. You need to manually check it yourself, which is to set the environment variables, as follows:
2. Installation process
After selecting, click "Install Now" to enter the installation process. It will take a few minutes, as follows:
3. Installation completion and verification
After the installation is completed, a successful installation prompt will be displayed, as follows:
Okay, close this window to verify whether Python is successful. Open "Run" through the "win+R" shortcut key, then enter cmd, enter the command with a black box page, and then enter "python", the version number and installation will be displayed. Information indicating successful installation, as follows:
3. Run the first program: Hello Python
1. Run the program method 1
The simplest way is to run the Print function in the command prompt to print Hello Python, as follows:
2. Run the program method 2
The Python installation will come with the IDLE integrated environment, which can be found in the window program list, then click in, enter print, and run as follows:
Both run programs through the command line, but IDLE is relatively better and will display different color identifiers.
3. Run program method three
The third way is to run the py file directly. You can create a notebook created by Notepad. It should be in the same folder as the Python code by default. Write the code in the notebook, as follows:
Then keep it closed and change the file format suffix of the notebook to .py. Some computers do not display the suffix by default and can be modified by viewing it, as follows:
After modification, the system will prompt you to confirm, just click Confirm.
Then operate through the command prompt. Be sure to operate in the system environment, not under the Python program. Enter python + the py file you want to run. There must be a suffix of the file, as follows:
The above is all of this article, I wish you a happy study! !
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