Explore the nature of programming and how programming a computer is different than using a computer.

1.1 Why Program

In this lecture we learn abut how the computer processes and stores programs.  We learn about the CPU, Memory, Storage and Input / Output devices are brought together to write a program.

1.2 Hardware Architecture

We look at how writing programs is just another form of communication.  Instead of communicating with another person, we are communicating our ideas to a computer.

1.3 Python as a Language

We look at the basics of the Python language and how we write code in Python to communicate sequential steps, conditional steps and repeated steps.

1.4 What do we Say to Python?

Installing Python 3 on a Macintosh

Code Walkthrough: Hello World

We look at Python's reserved words, how we name and use variables, why we choose meaningful (mnemonic) variable names and how assignment statements function.

2.1 Building Blocks of Python

We look at how we use various numerical and string operations to compute new information and store the new values in variables.

2.2 Expressions

Code Walkthrough: Exercise 2.2

Code Walkthrough: Exercise 2.3

These are the video lectures to supplement the textbook 'Python for Everybody: Exploring Information' and its associated web site www.py4e.com

Awesome Teacher Explains everything very well He’s great

Awesome Teacher

Excellent overview of python. Perfect to help a novice get a grasp of the concepts that are Python.

Nice and simple

These are the video lectures to supplement the textbook 'Python for Everybody: Exploring Information' and its associated web site <a href="http://www.py4e.com" rel="nofollow" target="_blank">www.py4e.com</a>

Python for Everybody (Video/PY4E)

We learn about how we can use Structured Query Language (SQL) to insert (create), read, update, and delete data in a single database table.

15.2 Single Table SQL

We learn how to create string variables and extract portions of the data as well as write simple loops to read through the characters in a string.

6.1 Storing Text Data in Strings

In this assignment we make use of the Google GeoCoding API to look up addresses, store the data in a database and then use Google Maps to visualize the data.

16.1 Visualizing Map Data

We look at how we construct a loop so that it runs as long as we want it to run.  We learn about iteration variables and exiting loops with the 'break' and 'continue' statements.

5.1 The Basics of Loops

We look at patterns for reading and processing the data in files.   We learn how to check for nonexistent files, and how we process each line within the file.

7.2 Processing Data in Files

We take a very brief look at how software communicates across the Internet using TCP/IP.

12.1 Network Technology (TCP/IP)

We look at how to build a connector table to represent many-to-many relationships such as students and courses in database tables.  We also learn about composite primary keys.

15.7 Many-to-Many Relationships

We look at how code flows into and out of functions as well has how we pass information into functions and get results returned to us.

4.1 Using Pre-Defined Functions

We look at how some of the string parsing we have done in earlier chapters can be easily done with regular expressions.

11.3 String Parsing with Regular Expressions

We write a simple Python program that connects to a web server and retrieves a web document.   It is a very simple web browser.

12.3 Building a Web Browser in Python

The most basic conditional structure is the if statement where we either execute or skip a segment of code based on the results of a logical expression (i.e. asking a question).

3.1 If-Then-Else

In this section we look at the HTTP protocol that is used to move documents between web servers and web browsers.

12.2 Hypertext Transport Protocol (HTTP)

We look at how we map a logical database model to a physical database model by adding columns and constraints to model the table-to-table relationships.

15.5 Representing Relationships in Database Tables

We look at how to reconstruct complete views of the data when data is properly distributed across multiple tables and connected via foreign keys.  We learn the JOIN operation and ON clause in SQL.

15.6 Multi-Table Retrieval using JOIN

We write an even simpler Python program to retrieve a web page using the urllib library in Python.

12.5 Retrieving Web Pages

In this segment we learn to pull out data from strings after a regular expression has found a match.

11.2 Matching and Extracting Data

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