Cara menggunakan sorted two list python

In this tutorial, we will write the program to sort and merge two lists using Python. We will solve this problem by using the two approaches - using another list or without using another space.

Sort and Merge Two Lists using sort() Method

The following program will take the two lists sort and merge them.

Solution Approach

• Define the two variables to assign the empty lists.
• Now takes the number of inputs for the first and second list.
• Now merge both lists using the '+' operator.
• Use the built-in sort() method to sort the newly created list.

Let's see the following code implementation.

Example -

Output:

Enter number of elements for first list:5
Enter element: 2
Enter element: 3
Enter element: 1
Enter element: 5
Enter element: 4
Enter number of elements for second list: 5
Enter element: 14
Enter element: 13
Enter element: 11
Enter element: 12
Sorted list is: [1, 2, 3, 4, 5, 11, 12, 13, 14, 15]

Explanation -

We initialized two empty lists in the above code, list1, and list2, which hold the elements. The num variable stored the number of elements in list1 and list2. Then, the user must enter the list elements one by for loop and store them into the list. The '+' operator merged both lists, and the sort() method sorted the list into the ascending order. Finally, we printed the sorted list.

Sort and Merge Two Lists without Using Extra Space

In the previous example, we merged the two lists, creating a new list and then using the sort() method. In this section, we will sort and merge two lists without creating another list. Let's understand the following example.

Example -

Output:

Enter number of elements for first list: 4
Enter element: 10
Enter element: 12
Enter element: 17
Enter element: 9
Enter number of elements for first list: 4
Enter element: 5
Enter element: 18
Enter element: 20
Enter element: 89
Sorted list is: [5, 10, 12, 17, 18, 20, 89]

Explanation -

In the above code, we implemented the same functionalities to create two lists. The outer loop runs on the list1, and the inner loop runs on the second list, and it will run until the outer loop gets terminated. However, instead of creating the new sorted list, we appended the elements in the list2 after sorting. It checked the condition if the first element of list1 is greater than list2 and less than the second element of list2. Then, it inserted into list2 between the first and second elements of list2.

Python | Sort a list according to the second element in sublist

In this article, we will learn how to sort any list, according to the second element of the sublist present within the main list. We will see two methods of doing this. We will learn three methods of performing this sort. One by the use of Bubble Sort, second by using the sort() method and last but not the least by the use of sorted() method. In this program, we have sorted the list in ascending order.
Examples:

Table of Contents

• Python | Sort a list according to the second element in sublist
• Python program to sort a list according to the second element in the sublist.
• Different ways of Sorting the list of lists in python
• 1. Sorting the data by 1st column
• Python | Sort a list according to the second element in sublist - GeeksforGeeks
• “sort list by sublist python” Code Answer’s
• Python answers related to “sort list by sublist python”
• Python queries related to “sort list by sublist python”
• “sort list of list by second element python” Code Answer
• Python answers related to “sort list of list by second element python”
• Python queries related to “sort list of list by second element python”
• Video liên quan

Input : [['rishav', 10], ['akash', 5], ['ram', 20], ['gaurav', 15]] Output : [['akash', 5], ['rishav', 10], ['gaurav', 15], ['ram', 20]] Input : [['452', 10], ['256', 5], ['100', 20], ['135', 15]] Output : [['256', 5], ['452', 10], ['135', 15], ['100', 20]]

Python program to sort a list according to the second element in the sublist.

PythonProgrammingServer Side Programming

List is given, our task is to sort a list according to the second element in the sublist. Here we apply simple bubble sort.

Different ways of Sorting the list of lists in python

1. Sorting the data by 1st column
2. Sorting the data using any other column
3. Sorting the list of lists by length
4. How to sort the list of lists by the sum of elements
5. Sorting the list of lists in descending order
6. Creating our own Program to sort the list of lists in Python

1. Sorting the data by 1st column

To sort the data according to the 1st columns in ascending order.

list1=[['Bajaj Pulsar','220 F',40],['Yamaha','YZF R15 Ver 3.0',45],['TVS Apache','rtr 160',50]] # Using the key parameter of sort method. # if we use the sort method, the sorting take place in the list itself list1.sort() print(list1)

Output-

[['Bajaj Pulsar', '220 F', 40], ['TVS Apache', 'rtr 160', 50], ['Yamaha', 'YZF R15 Ver 3.0', 45]]

When we want to sort the list according to the first columns, we do not need to do anything special. We just need to do everything as usual. Let us see another way of achieving the same.

The above method sorts the data in the original list itself. If we do not wish to make the changes in the original list, we can use the below method.

list1=[['Bajaj Pulsar','220 F',40],['Yamaha','YZF R15 Ver 3.0',45],['TVS Apache','rtr 160',50]] print(sorted(list1)) # lets see if our original list has changed or not print(list1)

[['Bajaj Pulsar', '220 F', 40], ['TVS Apache', 'rtr 160', 50], ['Yamaha', 'YZF R15 Ver 3.0', 45]]

Now let us see the naive method using to achieve our goal.

list1=[['Bajaj Pulsar','220 F',40],['Yamaha','YZF R15 Ver 3.0',45],['TVS Apache','rtr 160',50]] # Iterating through one the list. #There is no element with which we will compare the last element, #so we are not including the last element for i in range(len(list1)-1): # if the next element is greater then the next element, swap it. if list1[i][0]>list1[i+1][0]: list1[i][0],list1[i+1][0]=list1[i+1][0],list1[i][0] print(list1)

[['Bajaj Pulsar', '220 F', 40], ['TVS Apache', 'YZF R15 Ver 3.0', 45], ['Yamaha', 'rtr 160', 50]]

Python | Sort a list according to the second element in sublist - GeeksforGeeks

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def Sort(sub_li): # reverse = None (Sorts in Ascending order) # key is set to sort using second element of # sublist lambda has been used return(sorted(sub_li, key = lambda x: x[1]))

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“sort list by sublist python” Code Answer’s

sorting by second element

python by Protelr on Sep 24 2020 Comment

sort list in python by substring

python by Combative Cat on Sep 29 2020 Comment

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