Question: 
Write a function to caluclate perimeter of a parallelogram.


Model's Code:
def parallelogram_perimeter(base, height):
    return 2 * (base + height)



Sample Correct Code:
def parallelogram_perimeter(b,h):
  perimeter=2*(b*h)
  return perimeter


Asserts:
assert parallelogram_perimeter(10,20)==400
assert parallelogram_perimeter(15,20)==600
assert parallelogram_perimeter(8,9)==144


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

Test 882 of 974: 678/882 (76.87074829931973%): failed