Python Set Intersection Summary: in this tutorial, you’ll learn about the Python set intersection and how to use it to intersect two or more sets. TL;DR In Python, you can use the set intersection() method or set intersection operator (&) to intersect two or more sets: new_set = set1.intersection(set2, set3) new_set = set1 & set2…
Read more
Python Set Union Summary: in this tutorial, you’ll learn how to union two or more sets by using the Python set union() or set union operator (|). Introduction to the set union The union of two sets returns a new set that contains distinct elements from both sets. Suppose that you have the following sets:…
Read more
Python Set Comprehension Summary: in this tutorial, you’ll learn how to use the Python set comprehension to create a new set based on an existing one. Introduction to Python Set comprehension Suppose that you have the following set that consists of three tags: tags = {‘Django’, ‘Pandas’, ‘Numpy’} Code language: Python (python) To convert the…
Read more
Python Set Summary: in this tutorial, you’ll learn about Python Set type and how to use it effectively. Introduction to the Python Set type A Python set is an unordered list of immutable elements. It means: Elements in a set are unordered. Elements in a set are unique. A set doesn’t allow duplicate elements. Elements…
Read more
Python Dictionary Comprehension Summary: in this tutorial, you’ll learn about Python dictionary comprehension to transform or filter items in a dictionary. Introduction to Python dictionary comprehension A dictionary comprehension allows you to run a for loop on a dictionary and do something on each item like transforming or filtering, and returns a new dictionary. Unlike…
Read more
Python Dictionary Summary: in this tutorial, you’ll learn about Python Dictionary that allows you to organize related information. Introduction to the Python Dictionary type A Python dictionary is a collection of key-value pairs where each key is associated with a value. A value in the key-value pair can be a number, a string, a list,…
Read more
Python List Comprehensions Summary: in this tutorial, you’ll learn about Python List comprehensions that allow you to create a new list from an existing one. Introduction to Python list comprehensions In programming, you often need to transform elements of a list and returns a new list. For example, suppose that you have a list of…
Read more
How to Use the Python Reduce() function to Reduce a List into a Single Value Summary: in this tutorial, you’ll learn how to use the Python reduce() function to process a list. Reducing a list Sometimes, you want to reduce a list to a single value. For example, suppose that you have a list of…
Read more
How to Filter List Elements in Python Summary: in this tutorial, you’ll learn how to filter list elements by using the built-in Python filter() function. Introduction to Python filter() function Sometimes, you need to iterate over elements of a list and select some of them based on specified criteria. Suppose that you have the following…
Read more
How to Transform List Elements with Python map() Function Summary: in this tutorial, you’ll learn how to use the Python map() function with lists. Introduction to the Python map() function When working with a list (or a tuple), you often need to transform the elements of the list and return a new list that contains…
Read more