问Python- -我怎样才能把“胡须”添加到点情节中呢？

EN

import numpy as np
import matplotlib.pyplot as plt
%matplotlib inline

#Generate some data
x = np.empty((7,9))
for i in range(7):
    x[i,:] = np.arange(1,10,(1+(i*.02)))
print x

#Find standard devs down each column
std = np.std(x,axis=0)*5
print std

#Get the mean of x data down each column
xmean = np.mean(x,axis=0)
print xmean

#Plot xmean data & x's stan. devs
legendlabels = ['Mean of members','S.D. of members']
time = np.arange(0,9)
fig, ax = plt.subplots(figsize=(11,6))
data1   = ax.scatter(time,xmean,s=70,color='k',marker='^')
data2   = ax.scatter(time,std,  s=70,color='k')
ax.legend([data1,data2],legendlabels,loc=2)
ax.grid()
plt.show()