Python Programming 4. Arithmetic

This is the fourth in a course of computer science video lessons introducing programming with Python. It shows you how to define and assign values to variables that contain whole numbers. Whole numbers are known as integers. You will see how to perform simple arithmetic using the arithmetic operators addition +, subtraction -, multiplication * and division /. You will also see how to capture numeric input from the user of your program by means of the input function, and you will see the need to convert data from one type to another using the int and str functions.