input: Write a python function to generate a Fibonacci sequence of length `n`.
  assert create_fibonacci(0) == [0]
  assert create_fibonacci(1) == [0, 1]
  assert create_fibonacci(5) == [0, 1, 1, 2, 3]
  assert create_fibonacci(10) == [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]
output: def create_fibonacci(n):
      if n == 0:
          return [0]
      elif n == 1:
          return [0, 1]
      
      fib_sequence = [0, 1]
      while len(fib_sequence) < n:
          fib_sequence.append(fib_sequence[-1] + fib_sequence[-2])
      return fib_sequence