input: def generate_fibonacci_sequence(n: int) -> List[int]:
      """Generate a Fibonacci sequence of first n numbers.
      >>> generate_fibonacci_sequence(10)
      [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]
      >>> generate_fibonacci_sequence(1)
      [0]
      >>> generate_fibonacci_sequence(2)
      [0, 1]
      """
      if n <= 0:
          return []
      elif n == 1:
          return [0]
      elif n == 2:
          return [0, 1]
      sequence = [0, 1]
      for i in range(2, n):
          next_value = sequence[-1] + sequence[-2]
          sequence.append(next_value)
      return sequence
output:     if n <= 0:
          return []
      elif n == 1:
          return [0]
      elif n == 2:
          return [0, 1]
      sequence = [0, 1]
      for i in range(2, n):
          next_value = sequence[-1] + sequence[-2]
          sequence.append(next_value)
      return sequence