#!/usr/bin/python
# -*- coding: UTF-8 -*-

# 例3：if语句多个条件

num = 9
if num >= 0 and num <= 10:    # 判断值是否在0~10之间
    print ‘hello‘
>>> hello		# 输出结果

num = 10
if num < 0 or num > 10:    # 判断值是否在小于0或大于10
    print ‘hello‘
else:
	print ‘undefine‘
>>> undefine		# 输出结果

num = 8
# 判断值是否在0~5或者10~15之间
if (num >= 0 and num <= 5) or (num >= 10 and num <= 15):    
    print ‘hello‘
else:
    print ‘undefine‘
>>> undefine		# 输出结果
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实例演示
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python基础第七天