1. Write the class definition source code for a class named Snake that contains three member variables:
   1. a member variable named length of type int
   2. a member variable named aggression of type int
   3. a member variable named poisonous of type boolean
2. Write the source code for a method named isPoisonous() that is part of the Snake class. The isPoisonous() method should return a type boolean, accept no parameters, and use the poisonous member variable as its return argument.

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