#11 Python Tutorial for Beginners | Operators in Python
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- Опубликовано: 4 окт 2024
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In this lecture we will learn:
Different types of operators in Python
Use of different operators
Operation performed between different operators
Logical operators and their uses
#1
Types of operators in Python:
1. Arithmetic operators
2. Assignment operators
3. Relational operators
4. Logical operators
5. Unary operators
Arithmetic operators are used to perform mathematical operations like addition, subtraction, multiplication, division, etc.
Assignment operation is performed with the help of equal to(=), in which we can assign a value to the variable.
We can also do the assignment by short-hand which means performing an arithmetic operation and then assigning the value both at the same time.
We can also assign the values in one line for two variables.
a,b = 5,6
Unary operator takes a single operand in an expression or a statement.
Comparison can be performed with the help of relational operators.
Comparison operators return a boolean value or True or False.
#2
If you want to combine two or more conditions and then check the relation between them, then logical operators are used.
Logical operators include And, Or and Not.
Logical operators follow the truth table for And, Or, and Not operators.
And the operator returns True when both conditions are true otherwise returns False.
Or the operator returns True when any of the conditions or both the conditions are True otherwise it returns False.
Not the operator reverses the value of the output.
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none = a variable with no assaigned value
list=[ a group of mutable values]
tuple=(a group of immutable values)
set= {a group of none repeating valuves}
range=(series of values that can be expressed using end values)
mapping={storing values uses keys instead of indexing}
Excellent
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Good!
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1- *string* = 'used to store text' e.g: *'navin'*
2-*float* = 'used to store decimal or fractional values' e.g: *2.69*
3-*integer* = 'used to store non-decimal values' e.g: *7*
4- *character* = 'used to store symbols' e.g: *@*
not only symbols i think.character = symbols + alphabbets+numbers in foem of name
There is no character in python...even a single letter is considered as a string
No character in python
Yes no character in python
Integer :- a whole number value
Float :- a decimal value
String :- a text
Character :- special symbols
numeric types right??????.... asked data types none,numeric,list,tuple,set,range,string,map(dictionary)
i know u r smarter now, because its 4 years now..... 😁 sry for what i said, just replaying to your comments thats all
Excellent, have got clear understanding of what operators are, their divisions based on operations, operational utility👌. Thanks a lot for the tutorial series, its helping a lot getting a hold of Python foundations step by step👍
Name of four datatypes with definition -->
1. None = variable with no assigned value
2. Numeric = int, float, complex, bool
3. Sequence = list, tuple, set, string, range
4. Dictionary = a collection of key and value pairs, where keys are unique and immutable like string or numbers
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Yes sir good.. elaborate discussion by examples 🙏..
Data type-->int, float, string, range, list, tuples, set etc
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DATA TYPES
1) None :It is simply null vale
2) List : collection of
elements.We use []
braces in list.it is
mutable type
3) Tuple : collection of
elements.we use ()
braces in tuple. It is
immutable type.
4) int : It is interger type
datatype that gives only
interger value.E.g.
6,8,9
5) float : It is decimal or
floating point type
data type that gives
only floating type
values.e.g.5.7
6) complex : It is a datatype
which contains
complex digits
such 6+8j
Enjoying the series a lot. Lots of respect from Bangladesh
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nice
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because C++ has better operational advantages / projects coming than Python
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list = [1,2,3,4,5]
tuple=(2,3,5,6)
set={4,5,6,,2,8}
dictionary={'a ': 1,'b':2}
Gobar ganesh
Awsome Bro. I really loved it. I have completed till operators secession. I got lot of interest. I will Defenetly complete python program. Thank you so much Bro.
Very useful to every beginner's so thanku so much sir for making these vedioes to the python students who learning thanku thanku so much for the useful vedioes
Coming from Arduino this is making much sense. But Python seems like it has many more application. Thanks for taking the time to make these videos Navin!
Best ever python tutorial ever!!
🤩🤩🤩🤩🤩🤩
Hi Navin.. The way you approach towards the concept is literally awesome. Please do some videos on Python API's too. It would be helpful for us.
Thanks a lot Sir for making this series... I'm really enjoying it
Great person you are. I was in dilemma regarding the required stuffs for python. Now I am gaining Momentum. Love ❤❤ from NIT! 🙏
List, which is a mutable datatype,
Tuple, which is a immutable datatype,
set, which is a unordered, unindexed datatype,
Dict, which is also knowing as mapping used in the combination of keys and values.
Finding your video is like starving for food for two days and then being offered a 100% discount on full meals . Great videos in no time . Thankyou a lot bro for the work
Sir you teached me very nicely without you I wouldn't get the topic clear
Navin sir, you are good instructor.
Tuple : is an ordered sequence of items same as list.
None : it's not assigned to any value like as null .
Dictionary : is an unordered collection of key-value pairs.
String : is sequence of Unicode characters.
This is by far the best Python tutorial in RUclips
1) string - they are group of letters example - "hello "
2) numeric - they are group of only numeric elements they can be presented in lists, tuple, dictionary,sets
3) list - they are group of non-unique elements
example-[11,"hello","look"]
4)dictionary - it is a group of keys and its values
example-{"1:'one' , 2 : 'two' "}
Navin u did a great job..Fabolous ,I'm the biginner of learning the python your vedios helped me lot
smooth explanation and easy to understand
With your teaching I am damn sure I will perform good in programming field
1.list-[ collection of mutable values]
2.dictionary-{storing values using keys instead of indexing}
3.tuple-(a group of immutable values)
4.set={group of non repeating values}
no word of appriciation , helping me a lot
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Hey Naveen you are doing a great job, we always thankful to you because you starts from introduction
Dude, please never remove these videos. Life time guide.
Great explanations and insights thank you so much bro.
numeric - any numbers related type
string - any written characters stored between quotes
sequencial - a piece of data storing some many values
none - no information stored in a variable
Interesting....
dictionary- storing values by assigning them keys to access them efficiently.
numeric=int,bool,float,complex.
none= a variale with no value.
list = a collection of elements.
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U MADE MY JOURNEY EASY TO LEARN PYTHON MR.NAVEEN REDDY SIR, LOVE YOU.
you are really amazing the way you teaches is great
Big thank you for helping and supporting
1. Lists - Collection of elements that are mutable, uses [ ] to store the elements
2. Dictionary - Key, value pairs , uses { }
3. int
4 Float etc.
int - holds signed integers of non-limited length.
long- holds long integers(exists in Python 2.x, deprecated in Python 3.x).
float- holds floating precision numbers and it’s accurate upto 15 decimal places.
complex- holds complex numbers.
Thank you! 5:10 is waht I was needing. You are not assigning but you are comparing the A and B. Thanks!
Hey Navin...first of all thank you so much for all your efforts to make these tutorials...they are truly helpful...the only problem is that subtitles hide bottom left side of screen...plz fix that next times. Thank you and keep educating the world.
bro your explanation is next level
so helpful sir..thanku
i am enjoying thanks for sereise
I was searching for copper, but I struck gold.
Thank you so much.
This is one of the best comments i have seen.
Sirs u r amazing really a great platform to learn and pls tell how to write complex codes with different criterion ....and want to know wat is mutable and immutable pls tell sir
your making python to learn easily
Indeed enjoying learning as well as presentation
GOOD JOB,NAVEEN,PROUD TO C U R TELUGU GUY,THANK U!
Thank you very much sir, one of the easiest way that you have explained.
Telling it in an good way we are enjoying it like a game
1. None-null
2. Numeric-int,float,complex, bool
3. Sequence-list,tuple,set,range,string
4. Dictionary-mapping
Thank you sir
Your vedious are really helpful to us
Four Data Types:
1.None- Variable assigned with no value
2.Numeric: int,float,complex,bool are type of numeric data.
In int we have integers, in float we have decimal nos.,in complex we have imaginary nos(generally imaginary nos have "i" but in python we use "j") and in bool we use boolean expression i.e. true or false
3. Range: When we etrayed b/w the values we use range
Example- 1 to 10
4.Dictionary: It is used when we have huge data
In dictionary for every value we assign different key for each value but in list we have different index for each value.
Where is String :)
Four data types are
#1 None
#2 Numeric
#2.1 Int
#2.2 Float
#2.3 complex
#2.4 Bool
#3 Sequence
#3.1 Lists
#3.2 Tuple
#3.3 Set
#3.4 Range
#3.5 String
#4 Dictionary
#quiz
1. None-> When a variable is not assigned any value (in other languages we use null)
2. Numeric-> A variable is numeric when it has a numerical value.
It is of four types :
a) int->variable has integral value. e.g. a=10
b) float -> variable have floating-point value. e.g. b=10.5
c)complex-> variable having complex value including both real as well as imaginary part. e.g. 2+4j (where j= (-1)^1/2)
d) Bool-> For boolean (simply means true or false)
THANK YOU FOR THAT SESSION, IT WAS A GOOD ONE
Brilliant explanation sir so easy to understand for a beginner,thanks a lot sir