Transcription of Introduction to Python - 2018
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Introduction to Python - 2018
CS 16 Introduction to Python - 2018 Introduction to Algorithms and Data StructuresIntroduction to Python - 20181 What is Python ?A snake! A snake! A scaaary snake? Yes, but Python is also a programming language thatyou ll be learning this semester! Python bears some resemblance to Java, but in generalit is cleaner and easier to read. There are a few important differences from Java that youshould note:First, you don t need to declare the types of variables. Thus, you writex = 1ratherthanint x = 1. Variables do have types, but you don t need to announce the type whenyou first use a variable. In fact, you can writex = 1and thenx = "abcd"in the sameprogram; after the first assignment, x is an integer; after the second, it s a string. ( Ingeneral this is a very bad idea, so avoid it!)Second, the environment in which you work with Python lets you type bits of code andsee what happens without an intermediate compiling step. This makes experimentationand testing very , a feature of Python that you will grow to love and cherish is how easy it is toread.
CS 16 Introduction to Python - 2018 Introduction to Algorithms and Data Structures 2. Change the Tab Length to be 4 and make sure the Tab Type is set to soft.
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