Failed to execute basic builtins in code submission testing

[kevinyang372]

When executing the following code:

def add(x, y):
  a = list([1,2,3])
  return round(x + y)

def multiply(x, y):
  return x * y

def subtract(x, y):
  return x - y

Running result returns name list is not defined

[kevinyang372]

Fixed!