special variable creation 3

(defvar *alpha* 3)

(defvar *beta* 5)

(defparameter *gamma* 7)

*alpha*

3

*beta*

6

*gamma*

7

Assigns value to *alpha* since

it was unbound.

Does not change *beta*'s

value since it was bound

(to 6).

defparameter sets value

regardless of variable's previous

state.

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