input: from typing import List
  
  def find_factorial(numbers: List[int]) -> List[int]:
      """ Calculate the factorial for each number in the given list and return the results as a list.
      >>> find_factorial([3])
      [6]
      >>> find_factorial([4, 5, 6])
      [24, 120, 720]
      """
output:     results = []
      for num in numbers:
          factorial = 1
          for i in range(1, num + 1):
              factorial *= i
          results.append(factorial)
      return results