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Python Program to Find the Second Largest Number in a List Using Bubble Sort

PythonServer Side ProgrammingProgramming

When it is required to find the second largest number in a list using bubble sort, a method named ‘bubble_sort’ is defined, that sorts the elements of the list. Once this is done, another method named ‘get_second_largest’ is defined that returns the second element from the end as output.

Below is the demonstration of the same −

Example

 Live Demo

my_list = []
my_input = int(input("Enter the number of elements..."))
for i in range(1,my_input+1):
   b=int(input("Enter the element..."))
   my_list.append(b)
for i in range(0,len(my_list)):
   for j in range(0,len(my_list)-i-1):
      if(my_list[j]>my_list[j+1]):
         temp=my_list[j]
         my_list[j]=my_list[j+1]
         my_list[j+1]=temp
print('The second largest element is:')
print(my_list[my_input-2])

Output

Enter the number of elements...5
Enter the element...1
Enter the element...4
Enter the element...9
Enter the element...11
Enter the element...0
The second largest element is:
9

Explanation

  • An empty list is defined.

  • The number of elements is taken by user.

  • The elements are entered by the user.

  • The list is iterated over, and the elements are appended to the list.

  • The elements of the list are sorted using bubble sort.

  • The second element from the last is displayed as output on the console.

raja
AmitDiwan
Updated on 19-Apr-2021 11:03:51

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