How should I practice Basic In-Memory Spreadsheet?

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Basic In-Memory Spreadsheet

Google● EasyFULLTIMEONSITE INTERVIEW

Problem statement

Implement the basic storage layer of an in-memory spreadsheet.

Process the operations in order:

The problem statement continues

Pro

Examples

Example 1

operations = [["SET","A1","12"],["GET","A1"]]return = ["12"]

The lookup returns the value stored in A1.

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