Variables are names used to hold memory locations to store values.
Instead of repeating these values in multiple places in your code, the variable holds the results of a calculation, database call, results of a database query, or other value.
The value associated with a variable name may change during program execution.
Helpful info
https://kidscodecs.com/variables/
https://www.tutorialspoint.com/computer_programming/computer_programming_variables.htm
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