how to check python version on windows

-
in order to check python version, you have to open the command on windows.


if you open command, type like below

>>>python -v


if you type "python -v", you can see more information about the build.

or
>>>python --version


if you type "python --version", you can see simple version information like above screen.


Comments

Post a Comment

Popular posts from this blog

making menubar and menu on QML

-
Image
Qt Quick Control module has ApplicationWindow object that has menubar, toolbar, footer and contents areas. in this page, I will introduce how to make menubar. first of all, we need application engine in python. so you can learn the way how to make the application object in python from  how to use Qt Quick Controls in PySdie2 we need simple window like below. import QtQuick 2.13 import QtQuick.Controls 2.13 ApplicationWindow { visible: true width: 720 height: 480 title: "simple window" } WindowApplication is invisible by default. so, we should set the visibility to true. and the properties that I used above are derived from QML Item object. ApplicationWindow has its own properties like below. activeFocusControl : Control background : Item contentData : list contentItem : Item font : font footer : Item header : Item locale : Locale menuBar : Item palette : palette we will focus on only menubar property of them in this pa...
Read more

let's try to install python on windows 10

-
Image
let's try to install python on windows 10 first of all, we must download installation file from official python homepage . if you click the link, you can see below screen. click downloads menu. when I see the homepage, latest version is 3.8.0 after downloading the installation file, execute that file. and then, you can see below screen first. Install Now -> default settings. if you choose this option, installation will start. Customize Installation -> you can change the location that python will be installed in. and you can change installation options. recommendation : check "Add Python 3.8 to PATH". if you check this, Python can search for modules that you installed. if you choose "Install Now", installation process is done. but, if you choose "Customize installation", you will see below screen. Documentation ->if you check this, python documentation will be installed as well. pip ->this is recommended. ...
Read more

isalpha, isdigit and isalnum functions in python

-
Image
we can check whether any string is consist of alphabet or numeric or both in python. let's learn each function one by one str.isalpha() this function will return true if all characters in the string are alphabet. otherwise, return false. str.isdigit() this function will return true if all characters in the string are digit. otherwise, return false. str.isalnum() this function is combined with isdigit and isalpha. if all characters are digit number or alphabet, this function will return true. otherwise return false. you can learn them well from code. str1 = "python" str2 = "python " str3 = "123" str4 = "python3" str5 = "python3.7" print ( '"python" -> isalpha: {}, isdigit: {}, isalnum: {}' . format(str1 . isalpha(), str1 . isdigit(), str1 . isalnum())) print ( '"python " -> isalpha: {}, isdigit: {}, isalnum: {}' . format(str2 . isalpha(), str2 . isdigit(), str2 . is...
Read more