An assignment statement sets or re-sets the value stored in the storage location(s) denoted by a variable name; in other words, it copies a value into the variable.
The assignment operator allows us to change the value of a modifiable data object. It is associated with the idea of moving the value to a storage location. In most editing languages the symbol used for assignment is the equal symbol. But bite your tongue, when you see a sign = you need to start thinking: assignment. The assignment operator has two operators. The one to the left of the operator is usually a variable identifier name. The one on the right of the operator is a number.
= Assignment Operator
+= Plus Assignment Operator
-= Minus Assignment Operator
*= Multiple Assignment Operator
/= Division Assignment Operator
%= Module Assignment OperatorAd Link