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Examples of Gas Costs:

• Arithmetic Operations: Adding, subtracting, or multiplying integers consumes minimal gas (e.g., 3-5 gas units).
• Storage Operations: Writing data to the blockchain (e.g., updating a state variable) is expensive (e.g., 20,000 gas units).
• Function Calls: Calling a function, especially one that interacts with another contract, can significantly increase gas consumption.