#10. Python Files and Exceptions || Reading from a File || Appending to a File
Now that you’ve mastered the basic skills
you need to write organised programs
that are easy to use, it’s time to think about
making your programs even more relevant and
usable.
In this chapter you’ll learn to work with files
so your programs can quickly analyse lots of data.
You’ll learn to handle errors so your programs don’t crash when they
encounter unexpected situations. You’ll learn about exceptions, which are
special objects Python creates to manage errors that arise while a program
is running.
Learning to work with files and save data will make your programs
easier for people to use. Users will be able to choose what data to enter and
when to enter it. People can run your program, do some work, and then
close the program and pick up where they left off later.
▬▬▬▬▬▬ T I M E S T A M P S ⏰ ▬▬▬▬▬▬
00:00 - Introduction
00:37 - What you will learn.
03:03 - Read from a File
07:20 - File Paths
11:23 - Reading Line by Line
14:05 - Making a List of Lines from a File
15:33 - Working with a File’s Contents
18:05 - Large Files
20:25 - Is Your Birthday Contained in Pi?
22:13 - 1st Set of Challenges
22:29 - Answers of the 1st Set of Challenges
29:05 - Writing to a File
32:40 - Writing Multiple Lines
33:57 - Appending to a File
35:50 - 2nd Set of Challenges
36:18 - Answers of the 2nd Set of Challenges
42:37 - Summary
43:00 - Advanced Files and Exceptions (Part 2)
43:20 - Wrap up
Key main topics covered:
1) Reading from a File
2) Reading Line by Line
3) Working with a File's Contents
4) Large Files
5) Writing to a File
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