Seite - 1 - in Programming for Computations – Python - A Gentle Introduction to Numerical Simulations with Python 3.6, Band Second Edition

1TheFirstFewSteps 1.1 WhatIsaProgram?AndWhatIsProgramming? Computer Programs Today, most people are experienced with computer pro- grams, typicallyprogramssuchasWord, Excel,PowerPoint, InternetExplorer,and Photoshop.Theinteractionwithsuchprogramsisusuallyquitesimpleandintuitive: you click on buttons, pull down menus and select operations, drag visual elements into locations, and so forth. The possible operations you can do in these programs can be combined in seemingly an infinite number of ways, only limited by your creativityand imagination. ©The Author(s) 2020 S.Linge, H.P. Langtangen, Programming forComputations -Python, Texts in Computational Science and Engineering 15, https://doi.org/10.1007/978-3-030-16877-3_1 1