字典列表可能是一个很好的解决方案（
defaultdict如果您不想指定颜色和线宽，甚至可以使用a来默认它，请在此处阅读更多信息）
import matplotlib as mplimport matplotlib.pyplot as pltimport numpy as npmysignals = [{'name': 'Signal1', 'x': np.arange(10,20,1), 'y': np.random.rand(10), 'color':'r', 'linewidth':1}, {'name': 'Signal2', 'x': np.arange(10,20,1), 'y': np.random.rand(10), 'color':'b', 'linewidth':3}, {'name': 'Signal3', 'x': np.arange(10,20,1), 'y': np.random.rand(10), 'color':'k', 'linewidth':2}]fig, ax = plt.subplots()for signal in mysignals: ax.plot(signal['x'], signal['y'], color=signal['color'], linewidth=signal['linewidth'], label=signal['name'])# Enable legendax.legend()ax.set_title("My graph")plt.show()
