Daily Bell Ringer — File I/O — Reading from and Writing to External Files (open(), read(), write())
Course 3: Introduction to Programming / Unit 6: Data Structures & File Processing (File I/O) / Lesson 3: File I/O — Reading from and Writing to External Files (open(), read(), write())
Before we begin
Why must files always be closed (or opened using a with statement) after file processing?
Record your initial thinking. Be ready to explain your reasoning and revisit your response after the lesson.
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KDE student outcomes
Unit-level context for this lesson · Course 110201
View aligned outcomes (2)
- #6 Design and develop programs that use simple data structures.
- #9 Design and develop programs that implement file processing.
Alignment from Master Lesson Plans v3.5. These are instructional targets; completing a resource does not by itself establish mastery.