We then converted the set back into a list.We then converted that list into a set to remove duplicates.We combined our lists using the + operator,.Let’s see how we can combine our lists and remove all duplicates by using a set: # Combine Python Lists without Duplicates To learn more about removing duplicates from a Python list, check out my tutorial here. We can use the set to remove any duplicates from a list, by converting a list into a set. Python lists allow us to have duplicate values in them – it’s one of the attributes that makes them special.Īnother Python data structure, a set, is similar to a list in some ways, but cannot have duplicate items. Want to learn how to use the Python zip() function to iterate over two lists? This tutorial teaches you exactly what the zip() function does and shows you some creative ways to use the function. In the next section, you’ll learn how to combine two Python lists without duplicates. To learn more about how this works, check out my tutorial on flattening lists of lists. ![]() We then use a list comprehension to flatten the zip object. Because of this, we can use the function to combine two Python lists in sequential order. When we turn this back into a list, we access all the items in the generator. The zip() function creates a zip object, which is technically a generator object. Let’s see how we can use the zip() function to combine Python lists in an alternating fashion: # Merge Two Lists in Alternating Fashion ![]() The zip function iterates over multiple items sequentially, allowing us to access the items in order. In order to this, we can use the Python zip() function. For example, you may want to add the first item from both lists, then the second item, and so on. When you combine Python lists, you may want to add items in an alternating method. Want to learn more about Python f-strings? Check out my in-depth tutorial, which includes a step-by-step video to master Python f-strings! Combine Python Lists Alternating Using Zip In the next section, you’ll learn how to combine two lists in Python in an alternating fashion, using the Python zip() function. Let’s see what this would look like: # Merge Two Lists By using the * operator, we can access all the items in both lists and unpack them into a third. Similarly, we can create a new list by unpacking all items from the lists we want to combine. We can see here that when we print out third list that it combines the first and second. Let’s see how we can combine two lists: # Merge Two Lists Let’s take a look at using the + operator first, since it’s syntactically much simpler and easier to understand. The easiest way to combine Python lists is to use either list unpacking or the simple + operator. Combine Python Lists with Unique Elements Only. ![]() Combine Python Lists with Common Elements.Combine Python Lists with a List Comprehension.Combine Python Lists without Duplicates.Combine Python Lists Alternating Using Zip.
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