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To change the value of a variable, you use the assignment operator, :=. Three
assignment-operator containing statements appear in the following method
definition:
Integer method definition • instance fatToCalories | multiplier multiplicand result | multiplier := self. multiplicand := 9. result := multiplicand * multiplier. ^ result Workspace Transcript show: 194 fatToCalories printString Transcript 1746
Of course, this method is defined awkwardly—the only reason to split the computation into multiple statements is to demonstrate variable assignment.