Search for tag: "definition"

CS 6120: Lesson 4: Data Flow

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From  Adrian Sampson on September 19th, 2020 1 plays

Zoom Sep. 15. User-Defined Functions

In this class we will review how functions are defined, and how we visualize their execution.We will spend more of the class talking about visualization than how to write function definitions in…

From  Hannah Lee on September 16th, 2020 1 plays

Lesson 6.5 String Processing

The focus of the first assignment will be to write functions that take a string as input and produce a string as output. We sometimes call this (informally) string processing. This can be a daunting…

From  Hannah Lee on September 16th, 2020 3 plays

Lesson 5.3 Function Modules

In the previous video, we wrote a function definition in the interactive shell. In this video, we write it in a module. We show how this changes things when you call the function.

From  Hannah Lee on September 11th, 2020 0 plays

Lesson 5.6 Functions & the Python Tutor

In the previous video, we showed how to visualize function calls on a piece of paper. But, as with all visualization, we do have the Python Tutor at our disposal. In this video we illustrate the…

From  Hannah Lee on September 11th, 2020 3 plays

Lesson 5.5 Function Visualization

Once again, visualization is an important skill in this couse. In this video we show what it is even more important for functions. In particular, we introduce the new topic of the call frame, which…

From  Hannah Lee on September 11th, 2020 3 plays

Lesson 5.4 Fruitful Functions

In this video we show how to define the definition of a fruitful function (a function that can be used as an expression). It requires a new type of command: the return statement.

From  Hannah Lee on September 11th, 2020 2 plays

Lesson 5.2 Procedures

In 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 on September 11th, 2020 4 plays

Lesson 2.3 Sequential Execution

Now that we have assignment statements, it is time to move beyond the simple calculator model of Python. As we see in this video, the order in which we type Python commands matters.

From  Hannah Lee on September 7th, 2020 1 plays

Lesson 1.1 Evaluation

Before we get started with Python we need to define some basic terminology. Those math-like formula that we type into Python are called expressions. Python then uses the process of evalation to turn…

From  Hannah Lee on September 4th, 2020 3 plays

IES Migrations Series: The Future of EU? Immigration and the Rise of Populism

Freedom House reports that its global index of civil rights and political liberties has been declining for 13 consecutive years from 2005 till 2018, with 68 countries experiencing a net decline in…

From  Pamela Hampton on March 12th, 2019 19 plays

Diffraction (Part 1)

2017 PARADIM Diffraction part 1 David Muller

From  James Overhiser on February 15th, 2019 57 plays