input: def find_largest_number(numbers: List[float]) -> float:
      """Finds the largest number in the given list of numbers.
      >>> find_largest_number([1000, 506, 299, 620, 35])
      1000
      >>> find_largest_number([-5, -10, -20, -3])
      -3
      """
      
  max_num = 0 
  
  for num in numbers : 
      if num > max_num : 
          max_num = num 
  
  print(max_num)
output:     max_num = numbers[0]
      for num in numbers:
          if num > max_num:
              max_num = num
      return max_num