看一下报错和解决问题

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我在用Python写玫瑰花，一直运行不起来，不知道哪里出问题

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你就不能贴代码出来吗
给你个参考去

import mpl_toolkits as mp3d
import matplotlib.pyplot as plt
from matplotlib import cm
import numpy as np

import math

n = 800
A = 1.995653
B = 1.27689
C = 8
r = np.linspace(0,1,n)
theta = np.linspace(-2, 20*math.pi,n)

[R, THETA] = np.meshgrid(r, theta)

petalNum=3.6;
x = 1 - (1/2)*((5/4)*(1 - np.mod(petalNum*THETA, 2*math.pi)/math.pi)**2 - 1/4)**2
phi = (math.pi/2)*np.exp(-THETA/(C*math.pi))
y = A*(R**2)*((B*R - 1)**2)*np.sin(phi)
R2 = x*(R*np.sin(phi) + y*np.cos(phi))
X = R2*np.sin(THETA)
Y = R2*np.cos(THETA)
Z = x*(R*np.cos(phi)-y*np.sin(phi))


fig = plt.figure(figsize=(10,10))
ax = fig.add_subplot(111, projection='3d')
ax.plot_surface(X, Y, Z, rstride=6, cstride=6,cmap='Reds',antialiased=True, alpha=1)
plt.show()

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