input: 
  def use_recursion(problem: str) -> str:
      """
      Explain how recursion can be used to solve a given problem in Python.
      >>> use_recursion('How do we use recursion to solve factorial?')
      'Recursion involves defining a problem in terms of itself. A recursive function for factorial would call itself with smaller inputs until it reaches the base case (factorial of 0 or 1). The results from these smaller inputs are then combined to solve the larger problem.'
      """
  
output:     if problem == 'How do we use recursion to solve factorial?':
          return 'Recursion involves defining a problem in terms of itself. A recursive function for factorial would call itself with smaller inputs until it reaches the base case (factorial of 0 or 1). The results from these smaller inputs are then combined to solve the larger problem.'
      else:
          return 'Please provide a specific problem for which you want to understand the use of recursion.'