阅读以下Python代码，请问图表中会显示2条曲线。（ ）
import matplotlib.pyplot as plt import numpy as np x = np.linspace(0, 10, 100) y1 = np.sin(x) y2 = np.cos(x) plt.plot(x, y1, label='sin(x)') plt.plot(x, y2, label='cos(x)') plt.legend() plt.show()
