def run():

if (CheckVar1.get() == 0 and CheckVar2.get() == 0 and CheckVar3.get() == 0 and CheckVar4.get() == 0):

s = '您还没选择任何爱好项目'

else:

s1 = "足球" if CheckVar1.get() == 1 else ""

s2 = "篮球" if CheckVar2.get() == 1 else ""

s3 = "游泳" if CheckVar3.get() == 1 else ""

s4 = "田径" if CheckVar4.get() == 1 else ""

s = "您选择了%s %s %s %s" % (s1, s2, s3, s4)

lb2.config(text=s)