How do I combine two lists?

How do I combine two lists?

Ways to concatenate two lists in Python

1. Method #1 : Using Naive Method.
2. Method #2 : Using + operator.
3. Method #3 : Using list comprehension.
4. Method #4 : Using extend()
5. Method #5 : Using * operator.
6. Method #6 : Using itertools.chain()

Can you merge lists?

Click the Lists tab. Select the lists you want to merge together. Click Actions > Merge. Click “Select or create a list…” and select the list you want to merge your selected lists into.

How do you merge lists in Python?

In python, we can use the + operator to merge the contents of two lists into a new list. For example, We can use + operator to merge two lists i.e. It returned a new concatenated lists, which contains the contents of both list_1 and list_2.

Can you merge lists in Excel?

In Excel, you can merge two lists without duplicating any value by using the Remove Duplicates feature. Say you have two lists of names (in Columns B and C) like the ones in the picture below. To merge these two lists in Column B and remove all duplicate values, follow these steps.

How do you combine lists in Java?

One way to merge multiple lists is by using addAll() method of java. util. Collection class, which allows you to add the content of one List into another List. By using the addAll() method you can add contents from as many List as you want, it’s the best way to combine multiple List.

How do you merge two lists without duplicates in Python?

Use set() and list() to combine two lists while removing duplicates in the new list and keeping duplicates in original list. Call set(list_1) and set(list_2) to generate sets of the elements in list_1 and list_2 respectively which contain no duplicates.

How do I merge contact lists?

Merge duplicates

1. Open your device’s Contacts app .
2. At the top right, tap More Select.
3. Choose the contacts you want to merge.
4. At the top right, tap More Merge.

How do you merge three lists in Python?

Using Python itertools. chain() method to concatenate multiple lists together. The itertools. chain() method accepts data of different iterables such as lists, string, tuples, etc and provides a linear sequence of elements out of them. This function works irrespective of the data type of the input data.

How do you combine two lists in Python?

Use a for loop to add these elements together and append them to a new list.

1. list1 = [1, 2, 3]
2. list2 = [4, 5, 6]
3. sum_list = [] initialize result list.
4. for (item1, item2) in zip(list1, list2):
5. sum_list. append(item1+item2)
6. print(sum_list) [(1 + 4), (2 + 5), (3 + 6)]

How do you concatenate two lists in Excel?

Excel combines the two lists into a single list….Excel: Use Consolidation to Combine Two Lists

1. Move the cell pointer to a blank area of the worksheet.
2. Select Data, Consolidate.
3. Make sure that both boxes under Use Labels In are checked.
4. Put the cell pointer in the Reference field.

How do you combine multiple Excel files?

Within Excel, go to the Data ribbon and click on “Get Data”, “From File” and then on “From Folder”. Paste the previously copied path or select it via the “Browse” function. Continue with “OK”. If all files are shown in the following window, either click on “Combine” (and then on “Combine & Load To”) or on “Edit”.

How do you concatenate multiple lists in Java?

This method takes name of list as argument and add all the elements of the specified list in the same order as the original list.

1. Create a new empty list ( concatenated_list)
2. Use addAll () method to concatenate the given list1 and list2 into the newly created list.

What is the best way to merge two lists?

To combine two lists and remove duplicate values in Excel, you can do as follow: Copy one of the two lists and paste it to the bottom of the other list, see screenshot: Select the list and click Data > Remove Duplicates, see screenshot: In the Remove Duplicates dialog, if your column has no header, uncheck My data has headers, and then click OK.

How do I combine multiple lists in Excel?

Combine multiple columns into one list with Kutools for Excel. In the Transform Range dialog box, select Range to single column option, and click Ok button, see screenshot: 4. In the following popped out Transform Range box, click a cell where you want to output the result, see screenshot: 5. Then click OK button,…

How can I merge all of my contact lists?

Click Contacts at the top of the menu bar in your Constant Contact account

Click “Email Lists”.

Select any lists you want to merge together by clicking the check box.

Click Merge

Type the new list name in the box provided

Click Merge

How to combine two lists in Python?

Create two empty lists.

First,take the total number for the first list from the user.

Using a loop,read all the numbers for the first list and append them to the list.

Similarly,take the total number for the second list and read all the numbers for the second list one by one from the user.

Append both lists and save it in a different variable.