input: from typing import Dict
  
  def calculate_insurance(data: Dict[str, float]) -> float:
      """
      Calculates the insurance price based on user input parameters such as age, gender, and car model.
      
      >>> calculate_insurance({'age': 30, 'gender': 1, 'car_model': 2015})
      1500.0
      >>> calculate_insurance({'age': 45, 'gender': 0, 'car_model': 2020})
      2000.0
      """
      # The actual calculation of insurance price would be implemented here
      insurance_price = 0.0
      
      return insurance_price
output:     if data['age'] < 30:
          insurance_price += 1000.0
      elif data['age'] < 50:
          insurance_price += 1500.0
      else:
          insurance_price += 2000.0
  
      if data['gender'] == 1:
          insurance_price *= 1.1
      else:
          insurance_price *= 0.9
  
      if data['car_model'] > 2018:
          insurance_price += 500.0
  
      return insurance_price