input: Write a python function to find the best product based on energy efficiency and customer requirements.
  assert find_product('microwave') == 'The best product for you is the microwave'
  assert find_product('air conditioner') == 'The best product for you is the air conditioner'
  assert find_product('refrigerator') == 'The best product for you is the refrigerator'
  assert find_product('washing machine') == 'The best product for you is the washing machine'
  assert find_product('oven') == 'Sorry, we do not have any products matching your requirements.'
output: def find_product(product):
      products = {
          'microwave': 'The best product for you is the microwave',
          'air conditioner': 'The best product for you is the air conditioner',
          'refrigerator': 'The best product for you is the refrigerator',
          'washing machine': 'The best product for you is the washing machine'
      }
      return products.get(product, 'Sorry, we do not have any products matching your requirements.')