text: # Question:  Why is there an error in the code and how would you fix it?
  
  # def foo(a=1, b=2):
  #     return a + b
  
  # x = foo - 1
  
  
  # Answer:
  def foo(a=1, b=2):
      return a + b
  
  x = foo() - 1
  print(x)
  
  # A function is called using bracket notation () .