How to Check if a Python Set is Empty?

There are three main ways to check if a set is empty: Implicit: Pass the set into a Boolean context without modification. Python will automatically convert it to a Boolean using bool(). Explicit: Pass the set into the bool() Function. Comparison: Compare the set with the empty set like so: my_set == set() Let’s dive … Read more

How to Fix TypeError: unhashable type: ‘list’

The TypeError: unhashable type: ‘list’ usually occurs when you try to use a list object as a set element or dictionary key and Python internally passes the unhashable list into the hash() function. But as lists are mutable objects, they do not have a fixed hash value. The easiest way to fix this error is … Read more

Python Tuple Comprehension Doesn’t Exist – Use This Instead

Python has list comprehension and dictionary comprehension as a concise way to create a list or a dictionary by modifying an existing iterable. Python also has generator expressions that allow you to create an iterable by modifying and potentially filtering each element in another iterable and passing the result in a function, for instance. Does … Read more