def fibonacci(n):
    fib_sequence = [0, 1]
    for i in range(2, n):
        fib_sequence.append(fib sequence[-1] + fib sequence[-2])
    return fib sequence

n = 10
fib sequence = fibonacci(n)

plt.figure(figsize=(10, 5))
plt.plot(range(n), fib_sequence, marker='o')
plt.title('Fibonacci Sequence')
plt.xlabel('Index')
plt.ylabel('Fibonacci Number')
plt.xticks(range(n))
plt.grid()
plt.show()