Question: 
Write a function to find the perimeter of a rombus.


Model's Code:
def rombus_perimeter(side_length):
    return 4 * side_length



Sample Correct Code:
def rombus_perimeter(a):
  perimeter=4*a
  return perimeter


Asserts:
assert rombus_perimeter(10)==40
assert rombus_perimeter(5)==20
assert rombus_perimeter(4)==16


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 716 of 974: 541/716 (75.5586592178771%): success