Python top tip how to find common elements in two lists in python

Publié le: 16 juillet 2024
sur la chaîne: CodePoint
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certainly! in python, you can find the common elements in two lists using various methods. one common and efficient way is to use the `intersection` method provided by python's set data type. here's a step-by-step tutorial on how to find common elements in two lists:

step 1: create two lists with some elements:



step 2: convert the lists to sets using the `set()` function:



step 3: use the `intersection` method to find the common elements between the two sets:



step 4: convert the result back to a list if needed:



step 5: print or use the common elements as needed:



here's the complete code example:



when you run the above code, it will output `[3, 4, 5]`, which are the common elements between `list1` and `list2`.

this method is efficient because sets in python have a constant time complexity for operations like `intersection`, making it a quick way to find common elements between two lists.

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