Question: 
Write a python function to find the perimeter of a cylinder.


Model's Code:
def perimeter(radius, height):
    return 2 * 3.14 * radius + 2 * height



Sample Correct Code:
def perimeter(diameter,height) : 
    return 2*(diameter+height)  


Asserts:
assert perimeter(2,4) == 12
assert perimeter(1,2) == 6
assert perimeter(3,1) == 8


Tests:
Test 1 of 3: FAIL: AssertionError()

Test 112 of 974: 83/112 (74.10714285714286%): failed