part igetting started with python figure - the python shell window displays restart message each time you run the application understanding the use of indentation as you work through the examples in this bookyou see that certain lines are indented in factthe examples also provide fair amount of white space (such as extra lines between lines of codepython ignores any indentation in your application the main reason to add indentation is to provide visual cues about your code in the same way that indentation is used for book outlinesindentation in code shows the relationships between various code elements the various uses of indentation will become more familiar as you work your way through the examples in the book howeverit' important to know at the outset why indentation is used and how it gets put in place soit' time for another example the following steps help you create new example that uses indentation to make the relationship between application elements lot more apparent and easier to figure out later choose filenew file idle creates new edit window for you type print("this is really long line of text that will you see the text displayed normally onscreenjust as you expect the plus sign (+tells python that there is additional text to display adding text from multiple lines together into single long piece of text is called concatenation you learn more about using this feature later in the bookso you don' need to worry about it now press enter the insertion point doesn' go back to the beginning of the lineas you might expect insteadit ends up directly under the first double quote