How to Sort Words Alphabetically in Python

Problem Formulation and Solution Overview In this article, you’ll learn how to sort words alphabetically in Python. To make it more fun, we have the following running scenario: Some English sayings, also known as Tongue-Twisters, are fun to try and say quickly. They are also used to improve non-English speaking individuals and small children’s fluency … Read more

How to Convert a List of Booleans to Integers

Problem Formulation and Solution Overview In this article, you’ll learn how to convert a List of Booleans to Integers. In Python, the Boolean is a built-in data type. These values represent True (1) or False (0). Also referred to as Truthy or Falsy values. In this article, we will articulate how these values behave. To … Read more

How to Create a List from a Comma-Separated String

Problem Formulation and Solution Overview In this article, you’ll learn how to convert a comma-separated string into a List. Fergus, a 10-year-old boy, is learning to code with Python. As homework, the teacher has asked the class to create a comma-separated string and convert this string into a list. Fergus needs your help. πŸ’¬ Question: … Read more

Python Slice Remove First and Last Element from a List

Problem Formulation πŸ’¬ Question: Given a Python list stored in a variable lst. How to remove the first and last elements from the list lst? Example: The list [‘Alice’, ‘Bob’, ‘Carl’, ‘Dave’] stored in variable lst becomes [‘Bob’, ‘Carl’]. Method 1: Slicing List[1:-1] To remove the first and last elements from a Python list, use … Read more

How to Split a List in Half in 5 Ways

Problem Formulation and Solution Overview In this article, you’ll learn how to split a Python List in half. To make it more fun, we have the following running scenario: Lisa is writing a report concerning Population growth for three (3) countries (the US, UK, and Germany) between 2021-2022. However, she saved it as one list … Read more

How to Multiply List Elements by a Number – Top 5 Ways

Problem Formulation and Solution Overview In this article, you’ll learn how to multiply List Elements by a Number in Python. This example multiples the first five (5) Prime Numbers by two (2) and return the result. πŸ’¬ Question: How would we write Python code to multiply the list elements? We can accomplish this task by … 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