代码如下：
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# -*-coding: utf-8- -*-
print "中文示例"
# + plus 加号
# - minus 减号
# / slash ÷
# * asterisk ×
# % percent 余数
# < less-than 小于
# > greater-than 大于
# <= less-than-equal 小于等于
# >= greater-than-equal 大于等于
print "I will now count my chickens:"
print "Hens", 25 + 30 / 6
print "Roosters", 100 - 25 * 3 % 4
print "Now I will count the eggs:"
print 3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6 # 1 + 0 + 0 + 6
print "Is it true that 3 + 2 < 5 - 7 ?"
print 3 + 2 < 5 - 7
print "What is 3 + 2 ?", 3 + 2
print "What is 5 - 7 ?", 5 - 7
print "Oh, that's why it's False."
print "How about some more."
print "Is it greater ?", 5 > -2 # greater 更大的
print "Is it greater or equal ?", 5 >= -2 # 大于等于
print "Is it less or equal ?", 5 <= -2 # 小于等于
print 8.0 / 3
print 8.0 // 3
# “/”是浮点除法 ， “//”是整除法
执行结果：
