y1=[  9.49110000e-004,   4.74145420e-004,   1.41847155e-008,   3.33228420e-028,
       3.76352289e-081,   4.48206815e-193,   0.00000000e+000,   0.00000000e+000,
       0.00000000e+000,   0.00000000e+000,   0.00000000e+000] 

x=[ 112.,  111.97667396,  111.90666665,  111.78989038,  111.62619837,  
     111.41538384,  111.15717866,  110.85125168,  110.49720654,  110.09457901,
    109.64283388]

from scipy.integrate import simps
b= simps(y1[::-1], x[::-1])

print b