Search for tag: "walker"
Lesson 20.8 The None ValueWe have seen the None value used in several previous videos. But in this video we finally introduce it formally. In particular, we show why it is so commonly used in object initialization.
From Hannah Lee
90 plays
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Lesson 5.2 ProceduresIn this video, we show you how to define a procedure in the Python interactive shell. Recall that a procedure is a function that is used as a command.
From Hannah Lee
161 plays
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Lesson 0.1 The Command LineThis first video introduces you to the command line, which is a text-based tool for interacting with files and programs.
From Walker White
882 plays
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