```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ``` ```from mpl_toolkits.mplot3d import Axes3D from matplotlib import cm from matplotlib.ticker import LinearLocator from matplotlib.font_manager import FontProperties font = FontProperties(fname=r"c:\windows\fonts\simsun.ttc", size=14) import matplotlib.pyplot as plt import numpy as np fig = plt.figure() ax = fig.gca(projection='3d') [x , t] = np.meshgrid(np.array(range(25))/24.0,np.arange(0, 575.5,0.5)/575*17*np.pi - 2*np.pi) p = np.pi/2 * np.exp(-t/(8*np.pi)) u = 1 - (1 - np.mod(3.6*t, 2 * np.pi)/np.pi) ** 4/2 y = 2 * (x ** 2-x)**2*np.sin(p) r = u * (x*np.sin(p) + y * np.cos(p)) surf = ax.plot_surface(r * np.cos(t),r * np.sin(t), u *(x*np.cos(p)-y*np.sin(p)),\ rstride = 1,cstride=1,cmap = cm.gist_heat,linewidth=0,antialiased=True) plt.title(u'祝愿单身尽早脱单',fontproperties=font) ax.set_xticks([]) ax.set_yticks([]) ax.set_zticks([]) plt.show() ```
 ```1 2 ``` ``` Line 23 SyntaxError: Non-ASCII character '\xe7' in file t.py on line 23, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details ```