If a Non-Letter Argument Is Passed to the ToLowerCase or ToUpperCase

question 18

True/False

If a non-letter argument is passed to the toLowerCase or toUpperCase method, the boolean value false is returned.

---

Definitions:

Posterior Tibial Artery

An artery located behind the tibia bone in the lower leg, it supplies blood to the posterior compartment of the leg and plantar surface of the foot.

External Iliac Artery

A major artery that supplies blood to the lower limbs, originating from the common iliac artery.

Median Cubital Vein

A superficial vein of the upper limb, often used for venipuncture (drawing blood), located at the front of the elbow.