Python Tutorials - Bubble Sort Program

In this Python programming video tutorial we will learn about bubble sort program in detail.
Bubble sort, sometimes referred to as sinking sort, is a simple sorting algorithm that repeatedly steps through the list to be sorted, compares each pair of adjacent items and swaps them if they are in the wrong order. The pass through the list is repeated until no swaps are needed which indicates that the list is sorted.
The algorithm which is a comparison sort is named for the way smaller or larger elements "bubble" to the top of the list. Although the algorithm is simple, it is too slow and impractical for most problems even when compared to insertion sort. Bubble sort can be practical if the input is in mostly sorted order with some out-of-order elements nearly in position.
Here we are writing the program using bubble sort algorithm.
Selection Sort Algorithm And Program:
• Python Tutorials - Sel...
• Python Tutorials - Sel...
• Python Tutorials - Sel...
• Python Tutorials - Sel...
Bubble Sort Algorithm:
• Python Tutorials - Bub...
#PythonProgramming #BubbleSort
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[@usmansahi]

could you please tell me deference to use for loop range function or without range function ? for I in range(Len(are)) why we use range and Len function without it we also get index

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For user input we can use the split method: array=list(map(int,input().split())).

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[@mananchawla4751]

Your 2nd for loop is running n-1 times ... so if I put an input in descending order it will give wrong output.... and if I run that loop n times, it works. Please tell me if I am anywhere wrong.

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[@AmulsAcademy]

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[@subhadipbhattacharyya29]

can we break the for loop after the iteration in which no swap happened. That might reduce the execution for long list. Please let me know if I am getting it wrong way.

[@AmulsAcademy]

You can try that :)

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Par excellence

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[@AmulsAcademy]

Most welcome 😊

[@chanduarepalli2662]

What is the difference between Selection Sort and Bubble Sort ? In both sorting techniques we can do both ascending and descending.

[@AmulsAcademy]

Each and every sorting technique allow us to sort list of numbers in ascending as well as descending order, but each technique has its own way of sorting or working. we can say algorithm of each technique is different.

[@umarsyed853]

Best video

[@AmulsAcademy]

Thank you :)

[@Wtf_Ahmad]

Please tell me, how to show the status after any iteration like after 3rd iteration, 2nd iteration

[@AmulsAcademy]

w=1 list1 = [10,15,4,23,0] for j in range(len(list1)-1): print("iteration",w) w=w+1 for i in range(len(list1)-1): if list1[i]>list1[i+1] : list1[i], list1[i+1] = list1[i+1], list1[i] print(list1) else: print(list1) print() #w=w+1 print ("Sorted list is:") print(list1) :)

[@yesdone4993]

How to think logic any program?

[@umarsyed853]

Please do the video regarding chapter wise of cbse

[@sindhumadhyala5961]

Hii sista...Will there be any different swapping Method??I mean by doing same code in while loop

[@AmulsAcademy]

Yes you can use third variable to swap 😊 a=10 b=5 temp=a a=b b= temp

[@PurushK]

pls mention complexities and minimum number of swaps are required

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Please make videos on algorithms in python

[@AmulsAcademy]

I will try :)

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wow!!

[@AmulsAcademy]

Thank you :)

[@gayatrichaudhari3821]

ValueError: invalid literal for int() with base 10: '4,3,2' how to solve this error? plz suggest me

[@gayatrichaudhari3821]

ValueError: invalid literal for int() with base 10: '4 3 2 1' this error occurs when using this program plz...suggest me how solve this error

[@sushilkumar-ef7gh]

please upload quick sort algorithm as it is being asked in so many interviews...

[@AmulsAcademy]

I will do that asap:)

[@sushilkumar-ef7gh]

thanks.

[@harikrishnants8545]

Well Explained. What all changes are needed if we are writing this as a function. For reducing the iteration steps and to show all the swapping steps. def bubble_sort(n): for i in range(len(n)-1): if n[i]>n[i+1]: n[i],n[i+1]=n[i+1],n[i] bubble_sort(n) n=[100,120,900,400,800,10000000,12,1,6,300,21,10000] bubble_sort(n) print(n)

[@sourabhchouhan5726]

Mam, program is working extremely fine but any other reason for not using else in loop - only if condition we mentioned.

[@AmulsAcademy]

else part is not needed here :)

[@sourabhchouhan5726]

@@AmulsAcademy Thanks mam

[@JustVideoClub]

sort an array based on another array do this also mam pls

[@favoritevideos7812]

Plss..upload a video on insertion and merge sort

[@AmulsAcademy]

Sure i will do soon :)

[@shivangyadav7418]

In bubble sorting compare starts from starting and this sorting is of insertion sorting

[@AmulsAcademy]

Step 1 − If it is the first element, it is already sorted. return 1; Step 2 − Pick next element Step 3 − Compare with all elements in the sorted sub-list Step 4 − Shift all the elements in the sorted sub-list that is greater than the value to be sorted Step 5 − Insert the value Step 6 − Repeat until list is sorted Insertion sort algorithm :)

[@dharanidharb6451]

Upload the code in comment or description

[@KrishnaManohar8021]

God will surely bless you 🙏

[@yasinrehaman3947]

nice

[@AmulsAcademy]

Thank you :)