any command-line input or output is written as followsc contact("john ""johna@example net" contact("john ""johnb@example net" contact("jenna ""jennac@example net"[ name for in contact all_contacts search('john')['john ''john 'new terms and important words are shown in bold words that you see on the screenin menus or dialog boxes for exampleappear in the text like this"it will fail with not enough arguments error similar to the one we received earlier when we forgot the self argument warnings or important notes appear in box like this tips and tricks appear like this reader feedback feedback from our readers is always welcome let us know what you think about this book--what you liked or disliked reader feedback is important for us as it helps us develop titles that you will really get the most out of to send us general feedbacksimply -mail feedback@packtpub comand mention the book' title in the subject of your message if there is topic that you have expertise in and you are interested in either writing or contributing to booksee our author guide at www packtpub com/authors customer support now that you are the proud owner of packt bookwe have number of things to help you to get the most from your purchase xi