Problem Formulation and Solution Overview In this article, you’ll learn how to print the contents of a List without surrounding brackets in Python. To make it more fun, we have the following running scenario: You are a student and need to memorize the first 10 elements in the Periodic Table. This data is currently saved … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to check a List for Duplicates in Python. To make it more fun, we have the following running scenario: The Finxter Academy has given you an extensive list of usernames. Somewhere along the line, duplicate entries were added. They need you to check if … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to Sum Dictionary Values in Python. To make it more fun, we have the following running scenario: As a Python Freelancer, you would like to know how much money you made over the past few months. This data is stored in a Dictionary format. … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to split a string into a List of Letters in Python. To make it more fun, we have the following running scenario: The Finxter Academy would like a text version of their logo by splitting the string into a List of Elements and applying … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to calculate percentages of a numbers list (float or integer) in Python. Given: A Python list of numerical elements (float or integer), and A percentage value. Apply the percentage value to each list element and print the result to the Python shell. 15% to … Read more
Problem Formulation Given a list in Python. How to check if the list has an even number of elements? Examples: [] –> True [1] –> False [1, 2] –> True [1, 2, 3] –> False Related Article: How to check if a list has an odd number of elements? Method 1: len() and Modulo The … Read more
Problem Formulation Given a list in Python. How to check if the list has an odd number of elements? Examples: [] –> False [1] –> True [1, 2] –> False [1, 2, 3] –> True Related Article: How to check if a list has an even number of elements? Method 1: len() and Modulo The … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to locate and return the common elements of two (2) lists in Python. To make it more fun, we have the following running scenario: Bondi Brokers offers two (2) Marketable Bonds: 3-years and 5-years. Each yields different amounts. To determine which Bond best suits … Read more
This article presents an algorithmic problem with practical value for stock market analysis. For instance, suppose you are trading the cryptocurrency Ethereum. How much profit in dollars can you make by buying low and selling high based on historical data? Maximum Profit Basic Algorithm The max profit algorithm calculates the maximum profit you’d obtain by … Read more
Problem: How to convert one or more tuples to a csv file? Example: Given is a tuple or list of tuples—for example, salary data of employees in a given company: Your goal is to write the content of the list of tuples into a comma-separated-values (CSV) file format. Your out file should look like this: … Read more
Problem: How to convert a list of lists to a csv file? Example: Given is a list of list—for example salary data of employees in a given company: Your goal is to write the content of the list of lists into a comma-separated-values (CSV) file format. Your out file should look like this: # file.csv … Read more
Problem Formulation Given a Python list of integer or float numbers. How to calculate the median of a Python list? Formally, the median is “the value separating the higher half from the lower half of a data sample” (wiki). Note that the median is different to the mean or average as can be seen in … Read more