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PYTHONIntroduction to Programming & Python
We will learn Python programming in 100 Days of Code from scratch to employment readiness.
Python is an object-oriented programming language with dynamic typing. Whilst developing this
language, Guido van Russom was watching Monty Python's The Circus on television. Why not name
it Python, he reasoned. Python has been its moniker ever since. We're attempting to instruct
computers on what to perform. And we use programming to aid us. Python is, in my opinion, the
programming language that is easiest to learn. There are other additional programming languages
available. But Python will be the focus of this course. Python is simple, which is why this is. A high-
level programming language is Python. In 1989, Russom began to work on it. Python uses dynamic
typing. Languages for general-purpose programming that support the object-oriented paradigm.
Additionally, it backs a practical approach. Following that, you start doing things and experience
enjoyment on a different level.
It's also quite simple to install Python locally. just about every platform You can install it easily. Also,
as you can see on the computer screen, installation is simple if you are using a Mac. Thus, when
installing Python, focus just on that one aspect. If you are setting up Python 3 on your PC, Path
variable. Regardless of the version, there is a route option. Unquestionably check it. Access the
Python official playlist that I plan to create for the 100 Days of Code. Like the video and follow the
channel to make sure you don't miss anything. the Python playlist can be accessed. Save it and
bookmark it. The following day, I will see you, and we will discuss more.
Some Amazing Python Programs - The
Power of Python
There are numerous new features in Python thanks to the 100 Days of Coding series. And a tonne of
fresh strategies, which I want to share with you. You'll understand the true purpose of programming
after viewing those shows. I'll instruct you in Python in a similar manner to how a snake charmer
hypnotises a snake. When programming, you can hypnotise Python, allowing you to do whatever
you like. The next software I'll demonstrate to you is. It's a programme for face recognition that use
the Haar Cascade algorithm. It is a face detection method that indicates where the face is in an
image. The following project is the Flappy Bird game, which use a random module to determine the
likelihood that two people will fall in love.
There isn't an I want you to run these codes through your system; whether or not you can do so is a
separate matter. I sincerely hope that running these codes won't provide any issues for you. You'll
be able to do this more readily as the course progresses.
Modules and Pip
,In today's video, we'll discuss "Modules" and "What is "pip"?" Fundamentally, modules are used to
include someone else's code into your programme. We have two types of "Modules" 1. External
Modules, which are installed using "Pip," and 2. Built-in Modules. A person who wants you to utilise
their code in a Python programme has produced a "External Module," or external code. A library for
data analysis is called "pandas". Any module you download from the internet is installed in your
Python interpreter. Package management "Pandas" is used. It installs whatever the module you ask
for from the internet in your Python interpreter. 'Pandas' is a package manager. It is downloading a
package with 1. 1mbps. In Windows you 've to use 'pip' to install the package with name 'panda'
Now if I write `` pip3 install pandas '' I 've got a lot of stuff here. Follow me everyday step-by-step to
learn how to use 'replit' to install 'sklearn' A library for Machine Learning. We 'll do everything , don't
mind it. We'll do everything. But you must know the concepts. If you run this here so you 'll get the
errors as I showed you.
Built-in modules are modules which ships along with Python Programming language. External
modules needs to be installed just like something in your house that's expired. In the coming days I
'll help you to read excel and all. So always follow the latest videos because they come with a bang.
Python is being used by YouTube, Instagram & Facebook. Python is so versatile language that every
Unicorn use it. Make sure to meet me at day # 4 of our Python Tutorial # 1 just in 24hrs So this video
was quite trending So make sure to access this play-list by clicking here.
Our First Python Program
100 Days Of Code: Python program is going to be in which we 'll write every line with
understanding We 'll have full understanding about our Python program And we'll write this
code from scratch In upcoming videos we ''ll write quite mind-blowing Python programs
from scratch. The very first program that we write is `` Hello World ''. This is the first
program we wrote character-by-character. We used Python in terminal. We learned that
when we write '' python3 '' in terminal And then if. . . . . . I write `` print ( `` Hello World '' ) ''
So I 've to write manually line-by line. We can do a lot of other stuff. We want to tell Python
to do anything we want Execute this one first and then this one and then another. and I 'll
get it 's output as I keep on writing commands Ideally we don't wanna do this Ideally we
want Python to process the sequence of instruction. In the upcoming videos we 're going to
learn some more things Just be with me in this course And I want you for whom this course
is not suitable If you guys can't stay consistent daily Or you want to do things in a shortcut
manner.
Comments, Escape Sequences & Print
Statement
We 'll learn Escape Sequence Character & Print Statement in this video. Python interpreter tries to
execute text in Python or any other programming language. Sometimes we want to have text in the
program that does not execute. Python will say "OK! If you need a new line. . . . . . . . . So you must
use Escape Sequence. Character. Comments means "You can add whatever text you want and I do
n't have any business with that'' Python says "Just add a character like this and this text will become
a comment '' What will it become ? A comment '' If you mark a line as a comment. . . Look , Replit is
doing syntax highlighting first , for you. A comment is a part of the coding file that the programmer
, does not want to execute Rather the programmer uses it to either explain a block of code or to avoid
the execution of a specific part of code while testing. The 100 Days Of Code course is the 100 Days of
Code course.
Written the same thing here with example You do n't even need to write the code Just copy this
from here , paste it in your computer and run this And when you 'll do this so look You wo n't see the
error `` this is the single line comment '' Now I 've given an example here you can also write a
comment after a line of code For eg. If you 've written something like this I 'm pasting it. . . . And I 'll
tweak it like this. In Replit all the shortcuts of VScode works so there 's no need for you to be
worried. If you want to move the line you should also learn this shortcut. I 've added Triple double-
quote ( `` '' '' '''''' '' '' " " -- " " "") to move a line in a string. An escape sequence character is a
backslash \ followed by the character you want to insert. An Escape Sequence Character ' ( back-
slash ) n ' is a new line character. so it wo n't be able to parse it That 's why we add new line.
character '\ ' + 'n ' they may seem different character But they are one This is called Escape
Sequence. Character ' \ '' ' which produces a single Double-quote ( `` ) in output.
If I add a single quote in single-quoted string I 've to add 'single-quote' so single-quote will appear.
The Escape Sequence Character character is called separator. After this there 's another parameter ``
end= '' in place of `` end-= '' So what does it mean ? It means if I write next 'print ' statement And in
that statement suppose I write `` print ( `` Harry '' ) And if I run it. . . So look. You can write anything
here and it 'll be printed 'By-default ' is a new line' The default separator is 'Space' as I 've written
here Now what does `` end '' means ? It means 'specify what to print at end' '' What to print when
this print statement will end '' And what should come between multiple values in a single print
statement
Variables and Data Types
In Python Programming Language 'Variables' are just like containers just like you have in your
kitchen In which you store lentils , flour & rice etc In Python programming language 'variables' can
be 'types ' of everything' Just like that there are 'Types ' in Python which we refer as 'Data Types' The
data is stored in the memory. Python has 4 types of 'Variables ' ' ' a ' ' b ' ' c ' & 'd' The Python
program is designed to save a number and print a number. If I write ' b = ' Harry '' so directly the
content of 'Harry ' will be printed. Python has rules in Python that require double-quotes to be used
to represent a 'Data Type' 'Data Type ' specifies the type of value that a 'Variable ' can store. This is
required in programming to perform operations For eg. you 're a living being. And there 's a dog , he
's also a dog. And an ant is another living being But we all are different kind of living beings.
Python has some built-in 'Data Types ' in Python. The first 'Data Type ' is 'Int ' 'Float ' & 'Complex' If I
change ' a ' to 1. 1 so its type will be 'Float' And if I tweak it like. . . . If I write it like. 8+2i '' so it 'll
become a 'Com Complex ' number. Python Programming '' enclosed in double-quotes ( `` `` ). . . . . . . .
. These are of 'String ' type. Numbers can be of 'Integer ' type or 'Floating Point Number' or 'Complex
' type And along with that if we talk about 'String' '' Hello World !! ! ! ! `` , '' Python Programming''
enclosed in. double quotes ( ``) ) in +1 or +2. I just want to show you that. . It has become a 'Com
Complex ' number. People confuses a lot in mutable & immutable. Immutable means they can not
be changed. 'Mutation ' means the occurrence of changes. 'Immutable' means changes can be made.
'Mutable' means mutable and immutable. People confuse a lot with mutable or immutable. I do n't
remember any complex word right now.
Everything in Python is an 'Object' Yes ! Everything 'Dictionary ' is an object If you create a. 'Boolean '
so it's an object of class 'Int' That 's why when we printed it , we saw that. . . The type of a is < class
'complex ' It 's the 'Object ' of this class' I 'll explain more about dictionary in the upcoming videos.
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