Tutorial 3- Python Sets, Dictionaries and Tuples

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Welcome to the Python Crash Course. In this video we will see about python basics datatypes and operation

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[DeepakSharma_youtube]

[] = Brackets
() = Parenthesis
{} = Curly Braces
In-built = Built-In

At one time I also used to call them interchangeably :)

[sarojrout]

great videos. just my 1 cent tip: there is a way to modify the tuple elements is to convert the tuple to a list and then change it and later convert that list again to tuple :) just a work around if anyone wants to change the tuple element

[xnutpnh]

i love the way you explained everything was so easily to understand

[pritishpattnaik]

Ur videos + Documentation brushed off my python skills :)

[nurulnajwasafie]

Thanks a lot for the tutorial. I'm basically following your python playlist. It helps a lot for newbie like me.

[ashayjain]

Hit like if you are here after seeing Krish's latest video on How to learn Data Science using his videos !

[awakenwithoutcoffee]

you are an amazing teacher Krish. Much appreciated!

[shivendradubey]

Best 👍💯 I want more videos this playlist

[harshkr]

In Python versions before 3.7, dictionaries were unordered. This means that:

The order of items was arbitrary and unpredictable.
Items could be accessed by key, but not by index.
Iterating over the dictionary would yield items in an arbitrary order.
This was because dictionaries in Python were implemented as hash tables under the hood. Hash tables store items based on their hash value, not their insertion order.

However, starting with Python 3.7, dictionaries are ordered. This means:

Items are stored and iterated in the order they were inserted.
Items can be accessed by both key and index.

[tejaswigutta]

Sir, please upload videos on sql related to data science as well!

[afrinahossain]

Your videos help me a lot to get a clear idea. Thanks for the tutorials. Keep going.

[uditarora]

Brief and concise perfect content for learning ❤️🔥🔥🔥💯

[koustavpaul]

Thank you sir for this outstanding tutorial.

[rusteze]

Eagerly waiting for more videos on deployment

[arvindjoshi]

ordered (In Python 3.7 and higher version): dictionaries are ordered, which means that the items have a defined order, and that order will not change. A simple Hash Table consists of key-value pair arranged in pseudo-random order based on the calculations from Hash Function. Please correct it is an older version

[balug]

Thank you very much, these videos are giving me much command on python related to ML

[dr.narendrakumar]

Nice help to aspirants of python learning

[kalyaniaksv]

sir please make a complete videos on artificial intelligence course

[soumalyadutta]

This is actually good.. your videos are like quick notes for me.. keep going..

I want some suggestions from you personally. What should I do?

[poojanpatel]

while reteriving data from database. lets suppose there no value in one of the keys in dictionary.
how can we handle it ??. like in react js there is a library called LODASH. is there anything similar for Python ?