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The core goal of the third day’s learning is to enable the code to ‘store data in batches’ and ‘process data in batches’. This addresses the issues from the previous two days regarding ‘variables storing data too scattered’ and ‘repeated logic written multiple times’, while further strengthening logical thinking. The following content is designed in modules, each containing ‘knowledge point breakdown + practical case + hands-on practice’, ensuring that what you learn can be directly applied in real scenarios:
Summary
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The core takeaway from the third day is the ability to store and process multiple data items in batches (search, modify, add, delete, traverse);
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Ability to write multi-branch (if-elif-else) and nested conditions to handle complex selection scenarios;
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Ability to encapsulate repeated logic using functions, reducing code redundancy and improving efficiency;
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Ability to integrate the three major knowledge points to write a ‘practically useful’ small tool (such as grade management).
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