Module 9 - Files

Quick summary description

Before the week begins

Major Topics

Materials

Due This Week:

Graded This Week

Student Difficulty

Module 9 - Staff Meeting

Lessons

Lesson 44- Filesystems

Summary: Your computer has a File System that allows you to navigate, open, and edit files. These files are organized so that programs can open them using their address.

Learning Objectives:

• Navigate a file system using the command line
• Identify the path of a file

Activities:

• Lesson: Filesystem
• Quiz: Filesystem

Misconceptions: None listed so far

Lesson 45- Files

Summary: Once opened, data can be read from files in the program.

Learning Objectives:

• Define the term File
• Explain the difference between a File and a String
• Properly open and close a file using the With block
• Differentiate between a File, it’s name, it’s path, and it’s handle
• Read an entire file into memory
• Read a file using line by line iteration

Activities:

• Lesson: Files
• Quiz: Files
• Programming: Files

Misconceptions:

• Students get confused about the three ways to traverse a file (.read, .readlines, and using the file object as an iterator)

Lesson 46- Modules

Summary: Modules are a collection of functions and code that are shareable with other coders. Every time you create a Python program, you are actually creating a module. There are many modules out there.

Learning Objectives:

• Define the term “Module”
• Write code that imports a module
• Write code that uses functions defined in an external module
• Create a module

Activities:

• Lesson: Modules
• Quiz: Modules
• Programming: Modules

Misconceptions:

• Students try to combine the two styles of importing in incorrect ways (e.g., after “import math” they write “log” instead of “math.log”)

Lesson 47- File Formats

Summary: Files are often organized according to a particular format, which can make it much easier to access the data inside.

Learning Objectives:

• Define the term “File Format”
• Compare and contrast the JSON format with a basic text format
• Use a named parameter to call a function

Activities:

• Lesson: File Formats
• Quiz: File Formats
• Programming: File Formats

Misconceptions: None listed so far

Lesson 48- Web Data

Summary: Requests is the name of a powerful module for quickly and easily retrieving data from the internet. Accessing web-based data is one of Python’s great strengths and has many practical applications in real life.

Learning Objectives:

• Retrieve structured data from a URL algorithmically using Requests
• Retrieve data from a web page algorithmically using Requests
• Extract data from an HTML page using BeautifulSoup
• Extract data from a string using Regexes
• Identify practical applications of downloading data from the internet
• List hazards of using data through the web.

Activities:

• Lesson: Web Data
• Quiz: Web Data
• Programming: Web Data

Misconceptions:

• Students attempt to use “open” to get access to data in URLs and use “requests” to get access to local data.