input: 
  from typing import List, Dict
  
  def calculate_total_cost(items: List[Dict[str, float]], shipping_cost: float, tax_rate: float) -> float:
      """ Calculate the total cost of a shopping cart considering the item prices, quantity,
      shipping cost, and any applicable taxes.
      >>> calculate_total_cost([{"name": "widget", "price": 10, "quantity": 5}, {"name": "thingy", "price": 7, "quantity": 3}, {"name": "doodad", "price": 5, "quantity": 2}], 7.50, 0.095)
      100.175
      """
  
output:     total_cost = 0
      for item in items:
          total_cost += item["price"] * item["quantity"]
      total_cost += shipping_cost
      total_cost *= (1 + tax_rate)
      return total_cost