All I read is:
Stepper(steps, pin1, pin2)
Parameters
steps: the number of steps in one revolution of your motor. If your motor gives the number of degrees per step, divide that number into 360 to get the number of steps (e.g. 360 / 3.6 gives 100 steps). (int)
pin1, pin2: two pins that are attached to the motor (int)