python3.7.1使用else总提示出错_python3 中else:出现SyntaxError: invalid syntax错误

importsysimportosfromnumpyimport*importnumpyasnpimportmatplotlib.pyplotaspltimportoperatorreload(sys)sys.setdefaultencoding('utf-8')defcreateDataSet():group=array([[1.0,1...

import sys

import os

from numpy import *

import numpy as np

import matplotlib.pyplot as plt

import operator

reload(sys)

sys.setdefaultencoding('utf-8')

def createDataSet():

group = array([[1.0,1.1],[1.0,1.0],[0,0],[0,0.1]])

labels = ['A', 'A', 'B','B']

return group,labels

dataSet,labels = createDataSet()

fig = plt.figure()

ax = fig.add_subplot(111)

indx = 0

for point in dataSet:

if labels[indx]== 'A' :

ax.scatter(point[0],point[1],c='blue',maker='o',linewidths=0,s=300)

plt.annotate("("+str(point[0]+","+str(point[1])+")",xy = (point[0],point[1]))

else:

ax.scatter(point[0],point[1],c='red',maker='^',linewidths=0,s=300)

plt.annotate("("+str(point[0])+","+str(point[1]+")",xy = (point[0],point[1]))

indx += 1

plt.show()

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