ic part of this book teaches you the basic concepts you'll need to write python programs many of these concepts are common to all programming languagesso they'll be useful throughout your life as programmer in you'll install python on your computer and run your first programwhich prints the message hello worldto the screen in you'll learn to store information in variables and work with text and numerical values and introduce lists lists can store as much information as you want in one variableallowing you to work with that data efficiently you'll be able to work with hundredsthousandsand even millions of values in just few lines of code in you'll use if statements to write code that responds one way if certain conditions are trueand responds in different way if those conditions are not true shows you how to use python' dictionarieswhich let you make connections between different pieces of information like listsdictionaries can contain as much information as you need to store in you'll learn how to accept input from users to make your programs interactive you'll also learn about while loopswhich run blocks of code repeatedly as long as certain conditions remain true in you'll write functionswhich are named blocks of code that perform specific task and can be run whenever you need them