input: Write a function to create a Python script that adds two numbers together and prints the result. The function should take two parameters, a and b, which are the numbers to be added, and then print their sum.
  
  def add(a, b):
      sum = a + b
      print(sum)
  
  add(5,7)
output: def add(a, b):
      sum = a + b
      print(sum)