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python foundation stage

Installation of python in Section 1

01

Why install Python

I don't know if you dudes and dudettes have ever thought about this. Why should the first step in learning a programming language start with installation? If that thought ever crosses your mind, then give yourself a round of applause, success means you have a lot of potential because you had a hard time convincing yourself you were a layman! Hahahahahaha, just kidding!

Reason: By installing the language, you are providing the language with an environment that can be interpreted or understood and run by the machine, with which the computer can understand what the code you write means and how it is going to react to you next. In other words, just like when we learn to speak English, we have to have someone willing to give us the opportunity to communicate, and have the environment to be understood and used by everyone who understands English. I don't know if this explanation is satisfactory to anyone.

02

Install python

downloadingPython: log inhttps://www.python.org/downloads/ Then click on —> as if【 chart1】 as shown, For your computer systemPython3.7 Download the version of, For example, you areWindow The system you just click on【Windows】, Click if it's an apple【Mac】。 note: It is advisable to download3.0 The above version, Because so manyPython3.0 The following third-party libraries are no longer updated。

Clicking on [Windows] or [Mac] will take you to the download options screen. Because mine is a Win10 system. So let's share the whole process of installing Python 3.7 under [Windows] as an example.

Click [Download] of Python 3.7.0 to enter the following Figure 1, choose the version that suits your computer's operating system bit (32-bit or 64-bit OS), if you don't know the bit number of your system, right click on my computer and then check it, as shown in Figure 2 below, mine is a 64 micro OS, download the one marked in red in Figure 1, if it is 32-bit, download Windows x86 executable installer.

Once the download is complete begin the installation steps.

Installing Python 3.7.0.

[Double-click] python-3.7.0-amd64.exe. The Python 3.7.0 installation window will pop up, as shown below: select Custom Install and check the [Add Python3.7 to PATH] below. Since I've already installed it, I won't go over it again.

Special Note: It is best to create a folder named in English in the D drive and install it in this folder when customizing the installation. For example, my installation path is at home in the D:pythonEnv file, just name the folder according to your own memory habits.

Once the installation is complete it is time to configure the environment variables.

Win7 or Win10 in [My Computer] right click [Properties] to find [Advanced System Settings] left click Enter, then find [Advanced Environment Variables]. As shown in Figure 1, Figure 2 below.

[Click] to enter the following Figure 1 Find Path or PATH and [double click] to enter the screen in Figure 2 Click [New] and enter the Script directory under your installation directory. For example, if my installation path is under D:pythonEnv, then I would type D:pythonEnv; D:pythonEnvScripts; Then click [OK] [OK] [OK].

Special note: Under Win7, this path must be entered with "; "(English semicolon, e.g. D:pythonEnv; D:pythonEnvScripts; )

03

Checking for successful installation

Click Win+R to bring up the [Run] window and then type cmd and click [OK] and then you will be in the Windows dos command window,. This is shown in Figure 1 below. Then type python and the following figure 2 is displayed to show that you have installed it successfully.

Then it's time to write the code.

Finally, some of the more interesting, if you are interested to exchange, welcome to pay attention to the QR code, personal public number two-dimensional code and my micro signal has been presented to come to exchange learning it!

In the next section, we'll start sharing the basic syntax of Python.


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