import numpy as np
xlist = np.linspace(-3.0, 3.0, 100)
ylist = np.linspace(-3.0, 3.0, 100)
X, Y = np.meshgrid(xlist, ylist)
Z = np.sqrt((X-0)**2 + (Y-0)**2)
Z= X**2 + (Y-((X**2)**(1.0/3)))**2
import matplotlib.pyplot as plt
plt.figure()
cp = plt.contour(X, Y, Z)
plt.colorbar(cp)
plt.title('Filled Contours Plot')
plt.xlabel('x (cm)')
plt.ylabel('y (cm)')
cp = plt.contourf(X, Y, Z)
plt.clabel(cp, inline=True,fontsize=10)
plt.title('Contour Plot')
plt.text(0, -0.4, 'I love You Shreya', fontsize=30, fontweight='bold',color='red', horizontalalignment='center')
plt.xlabel('x (cm)')
plt.ylabel('y (cm)')
plt.show()