Python Lessons

A collection of free, in-depth Python lessons for beginners on core topics.

Python Set Difference Operations

The difference of sets is an operation that removes all elements from one set that are also in another. In Python, set intersection can be accomplished with the difference() instance method, the difference() class method, and the set difference operator, -, i.e. the minus sign character.

Python Unpacking

The Python unpacking syntax allows you to extract elements from iterable objects such as lists, tuples, and dictionaries and assign them to individual variables. The unpacking feature not only simplifies code but also enhances readability, making it a great tool for the Python programmer.

Python Set Intersection Operations

Intersection of sets involves extracting common elements from sets, resulting in a new set that contains only those shared values. In Python, set intersection can be accomplished with the intersection() instance method, the intersection() class method, and the union operator, &, i.e. the ampersand character.

Python Set Union Operations

The union of two or more sets is an operation that combines all unique elements from the input sets into a single set. In Python, set union can be accomplished with the union() instance method, the union() class method, and the union operator, |, i.e. the pipe character.

Python Sets

The Python set is an iterable data structure that represents an unordered collection of unique elements. Python sets are a concrete implementation of the mathematical concept of a set. Sets are useful in cases where you need to determine whether an item is associated with a group of other items or not.