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Solidity Data Locations - Storage, Memory and Calldata

- storage: variable is a state variable (store on blockchain)
- memory: variable is in memory and it exists while a function is being called
- calldata: special data location that contains function arguments

Memory is commonly used for dynamic data structures such as arrays, strings, and structs. These data structures can be created and manipulated within a function without affecting the contract state
40 $DEGEN