A broad survey of the computer science discipline, focusing on the computer's role in representing, storing, manipulating, organizing and communicating information. Topics include hardware, software, ...

This online data science specialization is designed for learners with little to no programming experience who want to use Python as a tool to play with data. You will learn basic input and output ...

Many programs take input from a user and then validate it before it is processed. It is important that the messages to the user are appropriate to reduce the risk of invalid data being entered.