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After mastering the basic capabilities of “lists + functions” on the third day, the core goal of the fourth day is to expand the dimensions of data storage, optimize loop logic, and address data filtering/statistical needs in practical scenarios, while also getting acquainted with more practical development tools. This can be divided into the following four modules:
1
Core Data Containers: Mastering Tuples, Dictionaries, and Sets
Lists are “ordered and mutable” containers, but in actual development, different storage methods with varying characteristics are needed. These three containers can cover 90% of data storage scenarios:
2
Advanced Loops: Iterating Through All Containers with For Loops + Nested Loops
On the first day, we learned print, on the second day, we learned if, on the third day, we learned while, and on the fourth day, we focus on breaking through “for loops” (the more commonly used loop in Python):
3
Function Deepening: Advanced Parameters + Return Values + Simple Modularization
On the third day, we learned about functions with “no parameters and no return values”; on the fourth day, we upgrade to practical functions that “can take complex parameters and return results”:
4
Mini Project: Comprehensive Case Study (Using Knowledge from the Day to Solve Real Problems)
After learning the concepts, we will consolidate them with a small project, maximizing the sense of achievement:
Through this day’s learning, one can upgrade from “handling single data” to “batch processing structured data”, while mastering practical function writing, laying the foundation for writing more complex programs (such as small tools and web scrapers) in the future.