answer=int(raw_input("enter the number1:"))
if answer>=10:
print "you got at least 10!"
elif answer>=5:
print "you got at least 5!"
elif answer>=3:
print "you got at least 3!"#当第一个if结果为假，则进行另一次判断（elif=否则如果）
原文：http://huzhongliang.blog.51cto.com/1817180/1890466