Notas de lectura

Python

0 veces vendidas

Grado
Computer programming

Institución
Senior / 12th Grade

This is a reference to the programming language python and more about it. These notes help you to get a better understanding about python. It helps you during your exams and get you a good knowledge of python.This is a first and begginer level of revision in python. REVISION TOUR 1 PYTHON

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Subido en 30 de diciembre de 2024
Número de páginas 9
Escrito en 2024/2025
Tipo Notas de lectura
Profesor(es) Vijay
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programming language python

Institución Senior / 12th grade
Grado Computer programming
Año escolar 3

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everybody can learn but the wise are those who chose to learn you chose
this platform to learn and I promise you that you will learn this language with a
deep knowledge I welcome all of you to my session in this session my dear students
I will be discussing the first chapter Python revision 2 1 in this session in this
video you will be getting the importance or if I will be discussing the topics
called tokens and the variables and assignments simple input and output and the
next one is data type

and mutable and immutable what does this topics is all about how should I
learn all these things all those things I will be discussing in detail going on the
first thing in this session that I would like to start with and I will assume that
you don't know anything about the Python and you're starting it from the scratch
let me start the first concept that is the components of program so let us
understand the basic program the basic Python program how exactly it looks like let
me start with the first

simple example to all of you my dear students please observe the program
that I have given you the first thing that I have given you with the hash okay guys
what is the meaning of this so guys if I use the hash and if followed by if I type
anything you should treat this as comments you should treat this as comments keep
one thing in your mind that if I use this comments this comments will not be
executed so that that is the first thing that you need to understand the second
thing that I have given you is something like this sir

what is this that you have given with death so my dear students I will
call this as functions I will call this as what functions why do we use this
function sir my dear students we use this functions to execute whenever we want
repeatedly again and again my dear students to save the number of lines we define
our own functions so that is the first thing that you can see here ok so that is
what you need to understand the second thing that you can see here is so all these
things I will call it as I

will call it as steel statements I will call it as what I will call it as
statements this is what you need to understand this thing's I will call it as a
statement the next important thing very very important thing that you need to
observe is my dear students here I'm using : Here I am using what I'm using : so
you should understand whenever I use a colon at the end of the line so you need to
understand the next line that you have to type after giving one tax piece so what
is the meaning of it can you just explain on that so my

dear students in this programming language I am not using any flower
brackets I'm not using any flower brackets so instead of flower bracket I'm just
using one tab space wherever I get colon after that I'll be using one tab space
what is the meaning of that so after one tab space whatever the lines that I will
type all the lines will come under this particular block all the lines will come
under what all the lines will come under this particular block that is what you
need to understand so this will be treated as one block this

will be treated as what one block so you should have a clear knowledge
about this and then this also I will be treating it as a block why because I am
ending this line with the colon so that is what you need to understand the last
line so what is this so see you see you in a sense what this is a function call
this is what I will call it as a function girl I'm calling this function again the
execution of the function will happen here so this is what the basic components
that I will be using in the

normal Python program so this is what you should know in this particular
time moving on to the next one let me start the class with the very interesting

, topic that is what we call it as a tokens what is tokens tokens in the sense it is
the smallest individual unit of a program I have five different types of tokens the
first one that I have is keywords so what is this keywords what is this identifier
what does value or literal what is this operator and what is this punctuate or my
dear students stay tuned

concentrate I will be discussing this tokens in detail one by one so let
me start with the first token that is keyword what is keyword keywords keywords are
the reserved words which has got the predefined meaning such words I should not be
using for my purpose what is the meaning of my purpose here suppose if I want to
declare any variable I should not use the keyword for that particular thing for
example a is equal to 10 so here I'm using a as a name of the variable so here I
can write like this but if I use

if is equal to 10 so I'm not supposed to use if so why because if as got
already a particular meaning the meaning of the word has already defined such words
I should not be using so that is very very important that you need to understand I
have listed some of the keywords in this example for example I have false nun del
from class import all this thing's will be treated as keywords and I have many more
keywords and I will be giving that in the complete detailed notes my dear students
this is what you need to

understand in detail with respect to the keyword moving on the next one
is identifier what are the meaning of identifier my dear students in the name
itself you have if you want to identify anything you should have the name so for
that we will be using the identifier in the program so I will be using the
identifier to give the names for a different parts of the program that is what we
call it as a identifier for example I have my file date and file 13 all those
things I will be calling it as a identifier before that you should

know one more important thing with respect to the identifier so what is
that sir you should know some of the rules to define the identifier point number
one whenever you are defining any whenever you are declaring any identifier so you
should not suppose to use the keywords the identifier whatever you are using that
should not be a keyword that is the first point that you should know second point
you can make or you can create the identifier with the help of numbers with the
help of letters and with the help of

underscore you need to understand the meaning between the lines I'm not
supposed to use the special characters except underscore my dear students whenever
you are declaring the identifier what is the next point that I have it cannot begin
with the numbers suppose if you are declaring an identifier you're not supposed to
start that identifier with the number for example I have one fine so I'm not
supposed to declare the identifier like this because I have the number in the
beginning and one more thing you need to

remember sir can I write like this file star to can I can I have
something like this you need to remember I'm not supposed to use any special
character in the identifier so my dear students can I can I write something like
this if 10 no I am not supposed to use the key word here so these are all the rules
that you should remember whenever you are declaring any identifier moving on to the
next topic that is literals sir what is literals the constant data value whatever
you have so that is what we

call it as a literal so for example if I write a is equal to 10 I'll just
take the same example so that you will be understanding the difference so this 10
whatever I am writing here this is what I will call it as a literal this is what I
will call it as a literal my dear students you need to understand one more thing we
have different types of literals what is that we have we have different types of

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