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[no audio]

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Friends, we know that Python is having lot of modules, right,

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and here I am going to take one of the modules as 'platform'

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module. Then what is the use of this 'platform' module? See 'platform'

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module is useful to access underlying platform's data such

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as hardware, operating system and interpreter version info,

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and here you don't need to worry how to get this information.

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I mean 'platform' is a module.

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Right. See by simply typing from your command line, because

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you are at initial stage, right,

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what you will do, you will go to Python, then simply there

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you will type suppose simply 'help("modules")',

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[no audio]

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and you're going to get list of modules here just assume

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that. From the list of modules you are going to select anyone

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of that. Then how you will come to know

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what is the usage of that module, right?

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You will see in the documentation itself

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what is the usage of that module, right?

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You have a lot of modules here. Just assume that you are going

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to select one of the modules called 'csv',

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or one of the modules called, let me take,

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[no audio]

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'getpass'. Then what is the usage of that? It is there with

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your Python documentation itself.

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I will show you that, just wait.

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Right. Fine. Now guys, already we have seen if you want to use

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any module in your current script,

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right, what we are doing? Simply we are importing that, right.

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So how to use any module in a script.

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So in our case, 'platform', right?

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See you can use simply 'import platform'.

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This is one way, and already we have seen. You can also import

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'import platform as pt'. That means you are aliasing your module,

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or you are renaming your module. Instead of using 'platform

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as platform'.

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Now, we are using 'as pt'.

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Right. Yes, it is possible.

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You can modify the default module name, in your current script

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not with your Python, right. Or this is also one more way, right

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'from platform',

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you can import all functions and variables, right?

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See you know module is nothing but, it is simply a Python

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script which consists of some functions, classes and variables.

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So, all directly you can import in this way.

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Then suppose from 'platform' module

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I need only 'system' and 'platform' functions,

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so inside of this we have different things. Just assume that

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I know suppose 'system' and 'platform' are required

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from your 'platform' module,

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then I can import only those two things in this way also,

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right. So as a fresher, right, you are at beginner level, then

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try to use first in this way. While going forward

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we will see this one, this one, this one, everything we will

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see. Right. Fine. Then, just now we discussed that 'platform'

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is a module which consists of some functions and variables.

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Then how you can list all those things? Guys, with your Python

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there is a default function called 'dir', with that you can

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list all the functions and variables

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which are there with your 'platform' module, not only with your

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'platform' module with any module, right?

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Then you can use simply, from script

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you can 'print(dir(platform))', or from command line directly

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you can run 'dir(platform)'.

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I will show you both the procedures. And then how you can

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get documentation for your 'platform' module,

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not only 'platform', any module, right?

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Simply you can run 'help("platform")' from your command line or

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from script you can run 'print(help(platform))', right?

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Let me open first your command line, right?

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So guys, just assume that I want to work with 'platform' module,

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then what I have to do? First thing it may be command line

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or it may be your Python script,

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you have to import it first.

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So, I am going to import it, 'import platform'.

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Yes, just now you imported 'platform'. Then immediately my action

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is, I want to know what are all the operations, or what are

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all the functions and variables are there with your 'platform'.

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Then simply run 'dir(platform)'.

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You will get a lot of things here.

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Each and everything is some separate operation, right?

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You can assume each and everything is like one operation,

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right. But you don't know what is the purpose of each and everything here.

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We have a lot of values as a list, right. See that how many

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values you have, you can find out using length of your list,

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72 operations are there, suppose.

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Right. There is a specific operation with each and every value which

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is there in your list. After running 'dir(platform)'

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you are getting different things no, so here for each and

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everything there is a specific operation, but how you will

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come to know what is the usage of this each and everything, right?

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So, guys you are at initial stage. What you have to do immediately,

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immediately after importing your 'platform' to list all available

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operations or simply functions and variables you are running

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'dir(platform)' module, then same way just run 'help()'

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[no audio]

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'platform', and it is going to give a document, right. See that,

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'This module tries to retrieve as much platform identifying data.'

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That means some hardware information, right, interpreter

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information, something like that.

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Now, if you go with all the functions, guys as of now this

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module is implemented with class concept,

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I mean OOPS concept, but you don't worry as of now you

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don't know OOPS, right.

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Finally, we'll come to know how to create a module with OOPS,

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or with only functions, or with only variables, for time being

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don't worry about class, right.

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So somewhere, just go down, guys

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not only with this module, any module, as of now

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don't observe this 'classes'.

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Okay. Just go down. Go down. See here,

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first go down completely from top to down.

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[no audio]

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Now you are getting somewhere here functions. Now,

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try to understand this one, one by one.

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There is a 'architecture' function from your 'platform',

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then what is the usage of that?

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It is going to give some architecture information. You just

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go to document one by one so that you will get,

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right. See -

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machine(), node(), platform(), right?

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You have a lot of things here.

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Just go through that one by one.

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What is the Python version you have on your host,

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your 'platform' module will fetch that.

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Right. Then

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what is the operating system type?

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[no audio]

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See that, 'system()', right?

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That's it.

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'DATA', as of now data is 'null'.

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Nothing is there. It is displaying 'null'.

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You don't worry about this value as of now. Actually it is a

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simple single variable like from your mathematic function,

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'pi' is a pi value, right?

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same way 'DEV_NULL' is one variable. That's it.

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Right. See same way you can run your entire thing

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from your script as well.

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Let me do it, the script,

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[no audio]

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so my requirement is,

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[no audio]

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so 'working_with_modules.py'. Fine.

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[no audio]

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I want to work with 'platform' module, then what I have to do?

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I need to import, first 'import platform', right. Then immediately

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I want to see list of operations or list of functions and

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variables with your 'platform'. See from command line directly

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you're running 'dir(platform)'.

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But if it is a script you have to print that then only it

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will show you on your output.

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Let me save it, and in your Sublime Text to run your Python

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script just press 'Ctrl + B'.

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[no audio]

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'Ctrl + B' if you press, you will get the list of all operations.

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I mean 'Ctrl + B' is just to run your Python script. Same way

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I need to know the documentation as well,

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right. Simply 'print(help(platform))'.

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That's it. Run it and see the output.

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[no audio]

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So, it is giving at a time your entire document, right?

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You can copy and save it into some file and you can

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go through that line by line, right. But better is, always

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guys if you want to get any help

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try to use only command line.

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So always try to write a code in Python script and from command

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line try to get your help.

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Right. Fine.

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So, let me go with some one-by-one operations, but not all,

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some of them which are very, very important.

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But while going forward I will cover most of the operations

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which are required for our real-time cases. Right. Fine.

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Let me do this one.

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Right. So, guys

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I want to know what type of operating system you are using.

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Then for that in 'platform'

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there is a function called, see that. '.system'.

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[no audio]

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Run the script and see the output, Windows.

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So now I can see that I can write, I can write like, "This is,

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[no audio]

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let me do 'f 'string "This is", so this is the operation guys.

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You can write in, you have to write in curly braces.

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[no audio]

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'os', Windows OS. That's it. Now see the output. Because of

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'platform.system()' you're getting information as Windows. Same script

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if you run on your Unix-like systems, you will get

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that operating system name.

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Right. Then,

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let me take one more thing.

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I want to see what is the python version is there on this

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host, right?

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See that. 'print(

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[no audio]

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"Python version is", let me run from your 'platform'.

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Right. So guys here you may get confused, why we are using

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parentheses. Right. Something wrong, yeah.

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[no audio]

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After curly brace you have to write quotation.

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Fine. You may get some confusion.

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See here I'm using parentheses, and in this parenthesis, I'm

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not writing anything.

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Sometimes you have to write sometimes no need to write.

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You should not write actually, right?

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See, this is a function,

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that's why I'm writing a parenthesis. But how you will come

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to know whether that is a function or not? Again in your documentation

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you will have that. See that, 'system()', with parentheses,

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and here in documentation

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they are not writing anything means, no need to provide any

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value while using this

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'system()' function. Otherwise, you can do one more

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thing. Simply run 'platform',

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that is the module, right, from that I'm using system.

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I don't know system is a variable or a function, then simply

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I will run in this way. Then see that it is showing that function.

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Then now just include parentheses. Because you are at initial

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stage you have to do all these steps.

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Right. Fine.

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[no audio]

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Now, you can also get your Python version in terms

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of, there are some different values are there guys, right?

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Okay. You can also get your Python version in terms of two

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tuple. Now see that if I run that how I am going to get. Simply

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I am running 'print', simply I am going to use this.

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So, this is also a function, so I am going to do 'platform.'.

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'.', see the last output, you're getting as a tuple, right

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major, minor, and release versions, right?

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That's it. So here you are getting as a string, and but here you

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are getting as a tuple. Inside a tuple, again

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your data is string only. See that. Quotations are there.

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[no audio]

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Right. Then,

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let me go and run some more examples from your 'platform'.

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So, what I want to do is, so now I can run directly from your

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terminal. That's better.

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[no audio]

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Let me clear my screen first.

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So I'm entering into Python.

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I am going to 'import platform'.

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[no audio]

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Let me simply print,

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so you can do this even in your script also guys, but I

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am directly, I want to show you the result directly,

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that's why I'm running here.

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So, I want to know what is the machine information. See that

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AMD64. Right. Same you just run on your Unix-like system

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also. You will get some your, Unix-like systems some 86 X 64,

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something like that. Right. Then,

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what is the release?

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[no audio]

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Windows 10. Right. Then see that, there is a 'platform.platform'

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module, I mean function through which you're going to get

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entire information, your Windows operating system 10, and

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it's SP packs, something like that.

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Right. Then, I want to see the architecture. Guys, you don't need to worry

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how you can select this function names from your

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module. You know this one,

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run this, see the operations. Now,

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I want to print architecture of this operating system.

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So simply 'platform.', there is something operation called

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'architecture'. You can search here somewhere,

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[no audio]

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without underscores from where we have, yeah, somewhere here

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we have 'architecture', right?

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[no audio]

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That's it. See that '64-bit', 'Windows PE'.

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[no audio]

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Right. Then what is the processor you are using?

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Somewhere we have 'processor'. Observe that.

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[no audio]

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Right. Just copy it.

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[no audio]

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That's it.

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[no audio]

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Fine. Now finally, let me go with your

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[no audio]

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'platform.node'.

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What is the node for this? So here, because this is my Desktop

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I am getting this as my node, right. You just try to run this

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on Unix-like systems.

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You just observe that what you are going to get. Just your

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'node' information.

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Right. Then let me run last one here. See that, 'uname'

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See in your Unix-like systems

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also you're having 'uname' command.

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If you run there 'uname' command you are going to get

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entire information about your

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operating system, right.

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See here also Python is giving 'platform.uname'

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What is the system name,

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right, the node, release, version, machine, processor, right,

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everything it is going to give with one single command.

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[no audio]

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Right. Fine. Okay guys, this is about simply your 'platform'

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module. So, we will see step by step different modules

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with examples, okay.

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Okay guys, thank you for watching this video.

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[no audio]