The "+=" operator is used for assignment with addition. It adds the right operand to the left operand and assigns the result back to the left operand.
If you have a piggy bank with some money inside (left operand) and someone gives you more money (right operand), using "+=", you can add their money into your piggy bank and update its total amount.
assignment operator: Symbols used in programming languages to assign values to variables. Examples include "=", "+=", "-=", etc.
operand: Values manipulated by operators within an expression.
arithmetic operator: Mathematical symbols like +,-,* used for performing calculations in programming.
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