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Biton topples, so under the chapter, Python detectives who are going to define another new day today.

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That is known as the python topples.

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So what does a python topples?

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In case a python topples, we go.

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We are going to define one couple, but the double elements will be enclosed within fast brackets and

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dapple elements can be having into heterogeneous data types.

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So you might be asking me what is the difference between DAPPLE and at least that list is mutable.

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But dapple elements are immutable.

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That is, they cannot be updated.

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So there is a basic difference between a double and a list.

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The list will be enclosed within third brackets.

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That is a square.

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Brackets and doubles will be enclosed within our first brackets.

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So let us go for the what are the different differences and features of doubles?

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We're going to discuss here.

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So in many aspects, the table is similar to a list.

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But the basic difference between the two is that we cannot change the elements of a table.

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That is a table is immutable once it is assigned.

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Whereas in a list, the elements can be changed.

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That means the list is mutable.

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Advantages of double over list.

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So falling at the certain advantages of implementing it, topple over a list and below list are the

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some of the main advantages.

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So what are the advantages?

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Why should they?

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Why should I learn dapple here.

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So we generally use toppled for heterogeneous different data types and for list it is generally for

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the list will hold the homogeneous data.

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But obviously lists can also hold that heterogeneous Jackett elements.

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But actually in general, we use list to hold homogeneous data type data.

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So since staples are immutable and iterating through a couple is faster than with the list.

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So that is a slight performance boost.

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So as this double is immutable, so iterating through the toppled members will be a little bit faster.

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So we are getting some boosting of the performances so doubles that content, immutable elements can

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be used to as a key for the dictionary with list.

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It is not possible because we know that in a dictionary the key values will be all is unique in nature.

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So that's why as it gets up double as it is immutable as a data, items cannot be changed.

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The members of the tables cannot be changed.

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So that's why cannot be updated.

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So tables that contain immutable elements can be used as a key.

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For one dictionary, if you have data that does not change.

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Implementing it as dapple will guarantee that it will remain as in the read only mode.

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So there are different building functions with the help of as you can.

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We can do some processing of them, members of the tunnels.

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So forsworn is the all written through.

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If all elements of the couple are true, any return true.

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If any one of the elements of the temple is true, you do want it written and you might object.

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It contains the index and the value of all the items of the couple as pairs.

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Next one is the Lin Redonda.

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Linda, there is a number of items in the double.

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Next one is the max return the lock.

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Largest item in the double.

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Next one is the main one, the function itself.

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We are getting the part.

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What is the purpose of the function?

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So return the smallest item in that double.

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Next one is the short.

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It takes elements and the couple returns a new short list.

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And next one is some return.

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The sum of all elements in the table.

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Next one is a couple converts.

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Then you dribble list.

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It might be the string, might be the set.

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Might be additionally in to a double.

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So here we're having the type conversions.

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So now let us go for one demonstration for the better, understanding how we can use and define and

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operate with about double objects in python programming.

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A double is very much similar to a list.

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The difference between the two is that we cannot change the elements of a couple.

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Once it is assigned, whereas in the list the elements can be tensed.

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That means list is mutable and dapple is imitable.

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Now the difference here is that in Kessab least we shall inclosed about elements using tarde records

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opening and closing.

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But it goes up double will be enclosing them.

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It was in the past decade opening and the fussbudget closing.

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So that is another difference where jobs are being hit.

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So now let us discuss what are the advantages of dapple over, at least since double's have quite similar

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to list.

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So both of them can be used in similar situations as well.

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And however, there are certain advantages of implementing it.

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Dapple over the list.

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So we can consider the force advantage as that we can generally use stapel for heterogeneous, different

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data types.

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At least for homogeneous, that is of the similar data types.

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But in the previous video also we have shown you that list can take multiple different data type data.

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But it is a common practice that wherever, wherever we'll be using our variables of the different data

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types to be meant to be put in one structure.

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Then in that in that case, we'll be using the table.

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But in case up a list will be going for the homogeneous data types.

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Since doubles are immutable, so iterating through the couple will be fostered out to some extent compared

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to that of the list.

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So here we are getting some slight performance boosting.

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So topples can contain immutable items, elements and can be used as a key for our dictionary.

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So as a couple elements are immutable so it can contain the dictionary keys and just not possible Ingersol

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list as it is mutable.

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And if we have our data, which you do not want to change anymore.

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So we should implement it using dapple because in that dapple will be where we'll be keeping our data

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in a right protected format.

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So here we are having one couple.

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We are created and that is at a empty table.

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So double one.

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So it is empty table if we print.

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We are getting the output like this.

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So now we are having this double.

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We got Brint initialize with this dapple do with some integer data will be there.

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Elements will be there in the couple.

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So it has got printed like this.

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Here you are having the heterogeneous one is that it may be the implied it, maybe that is.

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But remember my name is emplace salary at a department in which he or she is working.

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So that is our department is there.

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So in this case, if we print the couple three, we are getting the outcome like this.

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Now, creation of mystic couples now will be going for the creation of mystic couples.

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You can find that this is up, but it is a string.

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But this is a list and it is another couple here.

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So one list has become the element of the couple and another couple, maybe the element of another couple.

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So Pynt couple for if you go on printing, we're getting the output like this.

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So we know that lists will be included within square brackets and couples will be enclosed within POS

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bracket.

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So that's why it is a couple.

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And it is a list.

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So double can create can be created without any penalties.

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So now you can write this one, you can find that that couples were going to wear create here.

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We haven't enclosed them within the past decades, but the couple has got created and it has got printed.

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Dapple unpacking is also possible.

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You know, that goes up double fi.

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We're having one, two, three for such a date items.

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So now we are going to assign them to imply I.D., imply name and price, implied salary and imply department

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so we can go on printing them.

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I'm getting this employee I.D. implied name implies salary and also the implied department for that

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type of the stapel fight will be a class couple.

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So in this way we can have our list are a couple as the members of another couple.

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Now we are going to access our table elements.

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So how to do that one you see here where defining one table with this welcome characters and then print

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will couple one.

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We're getting this outcome like this.

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So now table one one.

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So this is my index value.

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So we know that index will be starting from zero.

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So index one is this one.

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So it is having the value eat.

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So if I print that one, I'm getting it here.

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Similarly for here for table one three.

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So zero one two threes or C will get printed.

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And here you are printing this five.

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So zero.

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One, two, three, four, five.

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So AIM has got printed here.

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So now in that next case, we're having this nice nest.

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Couple two, we're having this point.

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And this is one Leavesden.

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And another couple is there.

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So if you go on printing this nest double to getting it printed now from the zero element, you are

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picking up the third character.

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So from the zero 10 amendments, the Gillette index means this one.

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And from the third ketamine's, we're having this one P at Zaret Place.

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So this index is one.

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This index is to this index is three.

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So any will be printed.

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And it has got printed accordingly.

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And for the next doubled to one two.

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So that means we are considering this item number one.

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Index number one is there.

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And then to do means that this particular one is at index zero.

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This two three is that index one and four is at index two here.

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So that's why Ford has got printed here.

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So Ford has got printed.

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Next one is our next one is about double two to two.

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So that means we are considering the second element and the second data.

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So what is the value here?

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So value is nine here.

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So here the well is nine.

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So I'm getting here nine.

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So in this way, you can access elements from a couple here.

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So let's go for the next example.

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Now slicing double contents.

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So it was well defined.

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One couple which is containing all the characters of the string.

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Welcome.

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So here we are going for the slicing.

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So index number one, two, three.

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So one kolon three means.

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One, two, three.

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But three will be is exclusive.

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That dominating index.

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That is up to which the index we are mentioning that is stopping index will be all is exclusive.

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So here you can pick up the characters on the index one and two three.

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Index one is E an index two is L.

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So accordingly, the values will be picked up.

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So here to see we haven't mentioned the starting index, but the ending index will be minus three.

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So this is my minus one, minus two, minus three.

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So this one minus three.

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So what did happen?

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So always remember the ending index dominating index is all is exclusive.

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So it will print all the members from index number zero two up to see here.

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So that's why we are having this one as w e l see.

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So they have what printed.

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Now, from starting with the index number three, I Abin mentioned any dominating index here.

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So index number three means zero.

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One, two, three.

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So from here it will print up to the last element.

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So that's why the outcome has come like this.

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Here to see where we haven't mentioned any kind of starting and stopping index values.

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So that's why the full couple will get printed here.

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So that is about double one.

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So print double one one, Kolon three will produce output like this.

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Then Kolon minus three will produce output.

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This one because we're are not mentioning the starting index.

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So to start from the very start.

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And they need to proceed up to minus four.

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So this is my minus one, minus two minus C and up to minus four.

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This W, E, l, c will get printed and it has got printed.

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Similarly, I've explained the other cases.

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Now we are going for this double elements which are immutable.

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So as it is of that, after creating this particular couple.

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So if we print that Apple, it will produce output like this.

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But if we go on updating its content.

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If you go on operating its content.

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So it will produce a one error message.

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You can find that there is a typewriter.

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So a couple object does not support item assignment.

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So that's why it is producing one error.

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And the name of the error is typewritten here.

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OK, so now Dapple can be reassigned.

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But you can assign a nude tuple to this same double one variable.

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So you are having this print double one.

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So this stapel one object has got initialized with the new double.

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So that is not causing any problem.

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But I am a bit is not there is not allowed because it is it is about immutable.

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So that's why if we go on printing now you see the new dapple has got assigned to the double one object.

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Next one is a concatenation of the couples, so here to see where printing this double do and double

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three.

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So now we are going for this concatenation using plus.

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So is it double one content and then double two content.

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They have got concatenated in the same table.

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So now here to see where having this particular couple and this double will.

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I'm just multiplying it by four.

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That means four times.

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This again will be there.

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This particular string again will be there and that will produce one double.

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So there is a syntax of writing.

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Deletion operation on a couple.

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So here we're having one couple here.

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So if you go for delete, dapple, do, then obviously it'll produce some either operation.

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Why?

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Because you know that that couple is immutable.

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So now what will happen if they uncheck this one?

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If I go on unchecked.

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So the error will be Opt-In is type error and that is double object does not support item deletion.

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So that is the message is getting printed.

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So that's why I'm putting this one under comment here.

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So but we can delete the end.

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So Dell double four, so that full, full or whole double fold will get eliminated, will get deleted.

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So in the in that case, if you print this stapel for it to print the Nimir and name double fold is

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not defined in the message.

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So now we are having some double mehtar, so we're having some double mentors.

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So double five.

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We're having this respective all the characters of welcome and double five that count E..

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So to count that, how many times?

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This is awkward in here.

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So I'm getting this one as two because E has got two times in this double in the couple members.

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So now it is going for the index C so it will find out the occurrence, the index of the C character.

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So this particular C string that.

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So that's why you are getting this through here, because it is index zero, index one index to an index

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three.

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So now let me check if you have this C for another place, if we have the C for another place, then

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what will happen if we go on executing?

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I'm getting three back again because you will just check the first occurrence of this as string C in

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this particular couple here.

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So double operations.

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So here we are having this double six.

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You can find it so double sixes there.

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So now we can go for the print once.

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So these a couple six see in double six seas there.

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So that's why it is giving me the outcome to see.

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Not in double six outcome will be false in double six.

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That is.

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No, it is here.

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So it did return false.

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It not in double six.

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It will return true here.

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So it is checking the state membership.

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Next one is a tradition through couple elements.

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So here you have defined one couple here where you find one couple.

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And if you go on using this for loop, that is four letters in double six.

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We are printing this letters.

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We're getting that for each and every iteration.

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But just picking up one element from this couple members.

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And it has got assigned to this letters.

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And later, later letters is getting printed.

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So now building functions with the couples.

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So what do you find?

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One toppled.

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00:16:07,150 --> 00:16:09,830
A couple has got printed, Max, of the couple's seven.

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00:16:09,860 --> 00:16:15,560
So maximum element from the Staples or seventy seven has got printed minimum of couples seven.

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00:16:15,980 --> 00:16:19,910
So here you'll will be having the value event then short at double seven.

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00:16:19,940 --> 00:16:22,380
So they'll be remaining in the sharded form.

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The return one is in the Thomas list.

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You can find that they are enclosed within square brackets.

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00:16:28,360 --> 00:16:34,010
Our list of Couples seven will give me that count of the elements in the couple available.

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So in this way, we have discussed that.

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What are the different operations?

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What are the different functions that they are inbuilt functions are there with the help which we can

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operate on a double and also the difference between the list and a couple we have discussed in decision.

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Thanks for watching this video.